pxa250

LINUX下的关于LUBBOCK板的JTAG开发

#
# $Id: pxa250,v 1.6 2003/02/17 18:40:25 telka Exp $
#
# JTAG declarations for PXA250
# Copyright (C) 2002 ETC s.r.o.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
#
# Written by Marcel Telka <[e-mail]>, 2002.
#
# Documentation:
# [1] Intel Corporation, "Intel PXA250 and PXA210 Application Processors
#     Design Guide", February 2002, Order Number: 278523-001
# [2] Intel Corporation, "Intel XScale Microarchitecture for the PXA250
#     and PXA210 Application Processors User's Manual", February 2002,
#     Order Number: 278525-001
# [3] Intel Corporation, "BSDL description for top level entity pxa250_jtag", 2002-03-06,
#     http://developer.intel.com/design/pca/applicationsprocessors/bsdl/PXA250_bsdl_bga.txt
# [4] Intel Corporation, "Intel PXA250 and PXA210 Application Processors
#     Specification Update", January 2003, Order Number: 278534-011
#

# see Table 1-4 in [1] and D29. in [4]
pin	nACRESET	D10
pin	nBATT_FAULT	K12
pin	BOOT_SEL[0]	G16
pin	BOOT_SEL[1]	G13
pin	BOOT_SEL[2]	F13
pin	nCS[0]		N8
pin	DQM[0]		M8
pin	DQM[1]		B1
pin	DQM[2]		B2
pin	DQM[3]		L7
pin	GPIO[0]		L10
pin	GPIO[1]		L12
pin	GPIO[2]		L13
pin	GPIO[3]		K14
pin	GPIO[4]		J12
pin	GPIO[5]		J11
pin	GPIO[6]		H14
pin	GPIO[7]		G15
pin	GPIO[8]		F14
pin	GPIO[9]		F12
pin	GPIO[10]	F7
pin	GPIO[11]	A7
pin	GPIO[12]	B6
pin	GPIO[13]	B5
pin	GPIO[14]	B4
pin	GPIO[15]	T8
pin	GPIO[16]	E12
pin	GPIO[17]	D12
pin	GPIO[18]	C1
pin	GPIO[19]	N14
pin	GPIO[20]	N12
pin	GPIO[21]	N15
pin	GPIO[22]	M12
pin	GPIO[23]	F9
pin	GPIO[24]	E9
pin	GPIO[25]	D9
pin	GPIO[26]	A9
pin	GPIO[27]	B9
pin	GPIO[28]	C9
pin	GPIO[29]	E10
pin	GPIO[30]	A10
pin	GPIO[31]	E11
pin	GPIO[32]	A16
pin	GPIO[33]	T13
pin	GPIO[34]	A13
pin	GPIO[35]	A14
pin	GPIO[36]	A12
pin	GPIO[37]	B11
pin	GPIO[38]	B10
pin	GPIO[39]	E13
pin	GPIO[40]	F10
pin	GPIO[41]	F8
pin	GPIO[42]	B13
pin	GPIO[43]	D13
pin	GPIO[44]	A15
pin	GPIO[45]	B14
pin	GPIO[46]	B15
pin	GPIO[47]	C15
pin	GPIO[48]	P13
pin	GPIO[49]	T14
pin	GPIO[50]	T15
pin	GPIO[51]	R15
pin	GPIO[52]	P14
pin	GPIO[53]	R16
pin	GPIO[54]	P16
pin	GPIO[55]	M13
pin	GPIO[56]	N16
pin	GPIO[57]	M16
pin	GPIO[58]	E7
pin	GPIO[59]	D7
pin	GPIO[60]	C7
pin	GPIO[61]	B7
pin	GPIO[62]	E6
pin	GPIO[63]	D6
pin	GPIO[64]	E5
pin	GPIO[65]	A6
pin	GPIO[66]	C5
pin	GPIO[67]	A5
pin	GPIO[68]	D5
pin	GPIO[69]	A4
pin	GPIO[70]	A3
pin	GPIO[71]	A2
pin	GPIO[72]	C3
pin	GPIO[73]	B3
pin	GPIO[74]	E8
pin	GPIO[75]	D8
pin	GPIO[76]	B8
pin	GPIO[77]	A8
pin	GPIO[78]	P9
pin	GPIO[79]	T9
pin	GPIO[80]	R13
pin	MA[0]		G1
pin	MA[1]		H2
pin	MA[2]		H1
pin	MA[3]		H6
pin	MA[4]		J6
pin	MA[5]		J5
pin	MA[6]		J3
pin	MA[7]		J1
pin	MA[8]		K1
pin	MA[9]		K2
pin	MA[10]		K5
pin	MA[11]		K6
pin	MA[12]		L1
pin	MA[13]		L3
pin	MA[14]		M1
pin	MA[15]		M3
pin	MA[16]		N3
pin	MA[17]		P1
pin	MA[18]		R1
pin	MA[19]		P2
pin	MA[20]		R3
pin	MA[21]		T4
pin	MA[22]		R5
pin	MA[23]		P5
pin	MA[24]		T5
pin	MA[25]		P4
pin	MD[0]		N4
pin	MD[1]		M5
pin	MD[2]		L5
pin	MD[3]		T6
pin	MD[4]		N6
pin	MD[5]		T7
pin	MD[6]		M6
pin	MD[7]		M7
pin	MD[8]		M9
pin	MD[9]		T10
pin	MD[10]		R9
pin	MD[11]		T11
pin	MD[12]		P11
pin	MD[13]		N10
pin	MD[14]		T12
pin	MD[15]		M10
pin	MD[16]		H3
pin	MD[17]		H5
pin	MD[18]		J4
pin	MD[19]		K3
pin	MD[20]		L4
pin	MD[21]		M2
pin	MD[22]		N1
pin	MD[23]		T3
pin	MD[24]		P6
pin	MD[25]		R7
pin	MD[26]		P7
pin	MD[27]		P8
pin	MD[28]		L8
pin	MD[29]		P10
pin	MD[30]		R11
pin	MD[31]		P12
pin	MMCMD		D14
pin	MMDAT		B16
pin	nOE		G5
pin	PEXTAL		K16
pin	PLL_VCC		J15
pin	PLL_VSS		J16
pin	PWR_EN		L11
pin	PXTAL		K15
pin	RDnWR		D3
pin	nRESET		J13
pin	nRESET_OUT	K11
pin	SCL		D11
pin	SDA		A11
pin	nSDCAS		F3
pin	SDCKE[0]	E4
pin	SDCKE[1]	E3
pin	SDCLK[0]	D2
pin	SDCLK[1]	F5
pin	SDCLK[2]	D1
pin	nSDCS[0]	F1
pin	nSDCS[1]	G6
pin	nSDCS[2]	G3
pin	nSDCS[3]	F2
pin	nSDRAS		E1
pin	TCK		H12
pin	TDI		H15
pin	TDO		H16
pin	TEST		G12
pin	TESTCLK		G11
pin	TEXTAL		L15
pin	TXTAL		L16
pin	TMS		H13
pin	nTRST		H11
pin	USB_N		B12
pin	USB_P		C12
pin	VCC		F11 G7 G9 H10 J7 K8 K10 L6 L9
pin	VCCN		A1 D4 F4 H4 K4 M4 M14 N5 N7 N9 N11 N13 P3 T2 T16
pin	VCCQ		C6 C10 C13 D15 E14 G14 M11
pin	nVDD_FAULT	K13
pin	VSS		C16 H8 H9 J8 J9 T1
pin	VSSN		C2 E2 G2 J2 L2 M15 N2 P15 R2 R4 R6 R8 R10 R12 R14
pin	VSSQ		C4 C8 C11 C14 D16 E15 E16 F6 F15 F16 G8 G10 H7 J10 J14 K7 K9 L14
pin	nWE		G4

# mandatory data registers
register	BSR		385	# Boundary Scan Register (see [3])
register	BR		1	# Bypass Register
# optional data registers
register	DIR		32	# Device Identification Register
# user defined registers
register	DBG_SR		36	# see 10.10 in [2]
register	LDIC_SR1	33	# see 10.13.2 in [2]

# see 9.3.1 in [2]
instruction length 5
# mandatory instructions
instruction EXTEST		00000	BSR
instruction SAMPLE/PRELOAD	00001	BSR
instruction BYPASS		11111	BR
# optional instructions
instruction CLAMP		00100	BR
instruction HIGHZ		01000	BR
instruction IDCODE		11110	DIR
# user-defined instructions
instruction DBGRX		00010	DBG_SR
instruction LDIC		00111	LDIC_SR1
instruction SELDCSR		01001	DBG_SR	# see 10.10.1 in [2]
instruction DBGTX		10000	DBG_SR

# see [3]
bit 384 I ? nRESET
bit 383 I ? BOOT_SEL[2]
bit 382 I ? BOOT_SEL[1]
bit 381 I ? BOOT_SEL[0]
bit 380 I ? nBATT_FAULT
bit 379 I ? nVDD_FAULT
bit 378 I ? TESTCLK
bit 377 I ? TEST
bit 376 X ? .
bit 375 I ? MD[31]
bit 374 I ? MD[30]
bit 373 I ? MD[29]
bit 372 I ? MD[28]
bit 371 I ? MD[27]
bit 370 I ? MD[26]
bit 369 I ? MD[25]
bit 368 I ? MD[24]
bit 367 I ? MD[23]
bit 366 I ? MD[22]
bit 365 I ? MD[21]
bit 364 I ? MD[20]
bit 363 I ? MD[19]
bit 362 I ? MD[18]
bit 361 I ? MD[17]
bit 360 I ? MD[16]
bit 359 I ? MD[15]
bit 358 I ? MD[14]
bit 357 I ? MD[13]
bit 356 I ? MD[12]
bit 355 I ? MD[11]
bit 354 I ? MD[10]
bit 353 I ? MD[9]
bit 352 I ? MD[8]
bit 351 I ? MD[7]
bit 350 I ? MD[6]
bit 349 I ? MD[5]
bit 348 I ? MD[4]
bit 347 I ? MD[3]
bit 346 I ? MD[2]
bit 345 I ? MD[1]
bit 344 I ? MD[0]
bit 343 I ? MMCMD
bit 342 I ? MMDAT
bit 341 I ? USB_P
bit 340 I ? USB_N
bit 339 I ? SDA
bit 338 I ? SCL
bit 337 I ? GPIO[80]
bit 336 I ? GPIO[79]
bit 335 I ? GPIO[78]
bit 334 I ? GPIO[77]
bit 333 I ? GPIO[76]
bit 332 I ? GPIO[75]
bit 331 I ? GPIO[74]
bit 330 I ? GPIO[73]
bit 329 I ? GPIO[72]
bit 328 I ? GPIO[71]
bit 327 I ? GPIO[70]
bit 326 I ? GPIO[69]
bit 325 I ? GPIO[68]
bit 324 I ? GPIO[67]
bit 323 I ? GPIO[66]
bit 322 I ? GPIO[65]
bit 321 I ? GPIO[64]
bit 320 I ? GPIO[63]
bit 319 I ? GPIO[62]
bit 318 I ? GPIO[61]
bit 317 I ? GPIO[60]
bit 316 I ? GPIO[59]
bit 315 I ? GPIO[58]
bit 314 I ? GPIO[57]
bit 313 I ? GPIO[56]
bit 312 I ? GPIO[55]
bit 311 I ? GPIO[54]
bit 310 I ? GPIO[53]
bit 309 I ? GPIO[52]
bit 308 I ? GPIO[51]
bit 307 I ? GPIO[50]
bit 306 I ? GPIO[49]
bit 305 I ? GPIO[48]
bit 304 I ? GPIO[47]
bit 303 I ? GPIO[46]
bit 302 I ? GPIO[45]
bit 301 I ? GPIO[44]
bit 300 I ? GPIO[43]
bit 299 I ? GPIO[42]
bit 298 I ? GPIO[41]
bit 297 I ? GPIO[40]
bit 296 I ? GPIO[39]
bit 295 I ? GPIO[38]
bit 294 I ? GPIO[37]
bit 293 I ? GPIO[36]
bit 292 I ? GPIO[35]
bit 291 I ? GPIO[34]
bit 290 I ? GPIO[33]
bit 289 I ? GPIO[32]
bit 288 I ? GPIO[31]
bit 287 I ? GPIO[30]
bit 286 I ? GPIO[29]
bit 285 I ? GPIO[28]
bit 284 I ? GPIO[27]
bit 283 I ? GPIO[26]
bit 282 I ? GPIO[25]
bit 281 I ? GPIO[24]
bit 280 I ? GPIO[23]
bit 279 I ? GPIO[22]
bit 278 I ? GPIO[21]
bit 277 I ? GPIO[20]
bit 276 I ? GPIO[19]
bit 275 I ? GPIO[18]
bit 274 I ? GPIO[17]
bit 273 I ? GPIO[16]
bit 272 I ? GPIO[15]
bit 271 I ? GPIO[14]
bit 270 I ? GPIO[13]
bit 269 I ? GPIO[12]
bit 268 I ? GPIO[11]
bit 267 I ? GPIO[10]
bit 266 I ? GPIO[9]
bit 265 I ? GPIO[8]
bit 264 I ? GPIO[7]
bit 263 I ? GPIO[6]
bit 262 I ? GPIO[5]
bit 261 I ? GPIO[4]
bit 260 I ? GPIO[3]
bit 259 I ? GPIO[2]
bit 258 I ? GPIO[1]
bit 257 I ? GPIO[0]
bit 256 O ? MA[25] 208 0 Z
bit 255 O ? MA[24] 208 0 Z
bit 254 O ? MA[23] 208 0 Z
bit 253 O ? MA[22] 208 0 Z
bit 252 O ? MA[21] 208 0 Z
bit 251 O ? MA[20] 208 0 Z
bit 250 O ? MA[19] 208 0 Z
bit 249 O ? MA[18] 208 0 Z
bit 248 O ? MA[17] 208 0 Z
bit 247 O ? MA[16] 208 0 Z
bit 246 O ? MA[15] 208 0 Z
bit 245 O ? MA[14] 208 0 Z
bit 244 O ? MA[13] 208 0 Z
bit 243 O ? MA[12] 208 0 Z
bit 242 O ? MA[11] 208 0 Z
bit 241 O ? MA[10] 208 0 Z
bit 240 O ? MA[9] 208 0 Z
bit 239 O ? MA[8] 208 0 Z
bit 238 O ? MA[7] 208 0 Z
bit 237 O ? MA[6] 208 0 Z
bit 236 O ? MA[5] 208 0 Z
bit 235 O ? MA[4] 208 0 Z
bit 234 O ? MA[3] 208 0 Z
bit 233 O ? MA[2] 208 0 Z
bit 232 O ? MA[1] 208 0 Z
bit 231 O ? MA[0] 208 0 Z
bit 230 O ? nCS[0] 206 0 Z
bit 229 O ? nOE 207 0 Z
bit 228 O ? nWE 207 0 Z
bit 227 O ? nSDRAS 208 0 Z
bit 226 O ? nSDCAS 208 0 Z
bit 225 O ? DQM[3] 205 0 Z
bit 224 O ? DQM[2] 205 0 Z
bit 223 O ? DQM[1] 208 0 Z
bit 222 O ? DQM[0] 208 0 Z
bit 221 O ? nSDCS[3]
bit 220 O ? nSDCS[2]
bit 219 O ? nSDCS[1]
bit 218 O ? nSDCS[0] 208 0 Z
bit 217 O ? SDCKE[1]
bit 216 O ? SDCKE[0]
bit 215 O ? SDCLK[2]
bit 214 O ? SDCLK[1] 208 0 Z
bit 213 O ? SDCLK[0]
bit 212 O ? RDnWR 205 0 Z
bit 211 O ? nACRESET
bit 210 O ? nRESET_OUT
bit 209 O ? PWR_EN
bit 208 C ? .
bit 207 C ? .
bit 206 C ? .
bit 205 C ? .
bit 204 O ? MD[31] 84 0 Z
bit 203 O ? MD[30] 84 0 Z
bit 202 O ? MD[29] 84 0 Z
bit 201 O ? MD[28] 84 0 Z
bit 200 O ? MD[27] 84 0 Z
bit 199 O ? MD[26] 84 0 Z
bit 198 O ? MD[25] 84 0 Z
bit 197 O ? MD[24] 84 0 Z
bit 196 O ? MD[23] 84 0 Z
bit 195 O ? MD[22] 84 0 Z
bit 194 O ? MD[21] 84 0 Z
bit 193 O ? MD[20] 84 0 Z
bit 192 O ? MD[19] 84 0 Z
bit 191 O ? MD[18] 84 0 Z
bit 190 O ? MD[17] 84 0 Z
bit 189 O ? MD[16] 84 0 Z
bit 188 O ? MD[15] 85 0 Z
bit 187 O ? MD[14] 85 0 Z
bit 186 O ? MD[13] 85 0 Z
bit 185 O ? MD[12] 85 0 Z
bit 184 O ? MD[11] 85 0 Z
bit 183 O ? MD[10] 85 0 Z
bit 182 O ? MD[9] 85 0 Z
bit 181 O ? MD[8] 85 0 Z
bit 180 O ? MD[7] 85 0 Z
bit 179 O ? MD[6] 85 0 Z
bit 178 O ? MD[5] 85 0 Z
bit 177 O ? MD[4] 85 0 Z
bit 176 O ? MD[3] 85 0 Z
bit 175 O ? MD[2] 85 0 Z
bit 174 O ? MD[1] 85 0 Z
bit 173 O ? MD[0] 85 0 Z
bit 172 O ? MMCMD 83 0 Z
bit 171 O ? MMDAT 82 0 Z
bit 170 O ? USB_P 81 0 Z
bit 169 O ? USB_N 81 0 Z
bit 168 O ? SDA			# FIXME: see WEAK1 in [3]
bit 167 O ? SCL			# FIXME: see WEAK1 in [3]
bit 166 O ? GPIO[80] 80 0 Z
bit 165 O ? GPIO[79] 79 0 Z
bit 164 O ? GPIO[78] 78 0 Z
bit 163 O ? GPIO[77] 77 0 Z
bit 162 O ? GPIO[76] 76 0 Z
bit 161 O ? GPIO[75] 75 0 Z
bit 160 O ? GPIO[74] 74 0 Z
bit 159 O ? GPIO[73] 73 0 Z
bit 158 O ? GPIO[72] 72 0 Z
bit 157 O ? GPIO[71] 71 0 Z
bit 156 O ? GPIO[70] 70 0 Z
bit 155 O ? GPIO[69] 69 0 Z
bit 154 O ? GPIO[68] 68 0 Z
bit 153 O ? GPIO[67] 67 0 Z
bit 152 O ? GPIO[66] 66 0 Z
bit 151 O ? GPIO[65] 65 0 Z
bit 150 O ? GPIO[64] 64 0 Z
bit 149 O ? GPIO[63] 63 0 Z
bit 148 O ? GPIO[62] 62 0 Z
bit 147 O ? GPIO[61] 61 0 Z
bit 146 O ? GPIO[60] 60 0 Z
bit 145 O ? GPIO[59] 59 0 Z
bit 144 O ? GPIO[58] 58 0 Z
bit 143 O ? GPIO[57] 57 0 Z
bit 142 O ? GPIO[56] 56 0 Z
bit 141 O ? GPIO[55] 55 0 Z
bit 140 O ? GPIO[54] 54 0 Z
bit 139 O ? GPIO[53] 53 0 Z
bit 138 O ? GPIO[52] 52 0 Z
bit 137 O ? GPIO[51] 51 0 Z
bit 136 O ? GPIO[50] 50 0 Z
bit 135 O ? GPIO[49] 49 0 Z
bit 134 O ? GPIO[48] 48 0 Z
bit 133 O ? GPIO[47] 47 0 Z
bit 132 O ? GPIO[46] 46 0 Z
bit 131 O ? GPIO[45] 45 0 Z
bit 130 O ? GPIO[44] 44 0 Z
bit 129 O ? GPIO[43] 43 0 Z
bit 128 O ? GPIO[42] 42 0 Z
bit 127 O ? GPIO[41] 41 0 Z
bit 126 O ? GPIO[40] 40 0 Z
bit 125 O ? GPIO[39] 39 0 Z
bit 124 O ? GPIO[38] 38 0 Z
bit 123 O ? GPIO[37] 37 0 Z
bit 122 O ? GPIO[36] 36 0 Z
bit 121 O ? GPIO[35] 35 0 Z
bit 120 O ? GPIO[34] 34 0 Z
bit 119 O ? GPIO[33] 33 0 Z
bit 118 O ? GPIO[32] 32 0 Z
bit 117 O ? GPIO[31] 31 0 Z
bit 116 O ? GPIO[30] 30 0 Z
bit 115 O ? GPIO[29] 29 0 Z
bit 114 O ? GPIO[28] 28 0 Z
bit 113 O ? GPIO[27] 27 0 Z
bit 112 O ? GPIO[26] 26 0 Z
bit 111 O ? GPIO[25] 25 0 Z
bit 110 O ? GPIO[24] 24 0 Z
bit 109 O ? GPIO[23] 23 0 Z
bit 108 O ? GPIO[22] 22 0 Z
bit 107 O ? GPIO[21] 21 0 Z
bit 106 O ? GPIO[20] 20 0 Z
bit 105 O ? GPIO[19] 19 0 Z
bit 104 O ? GPIO[18] 18 0 Z
bit 103 O ? GPIO[17] 17 0 Z
bit 102 O ? GPIO[16] 16 0 Z
bit 101 O ? GPIO[15] 15 0 Z
bit 100 O ? GPIO[14] 14 0 Z
bit 99 O ? GPIO[13] 13 0 Z
bit 98 O ? GPIO[12] 12 0 Z
bit 97 O ? GPIO[11] 11 0 Z
bit 96 O ? GPIO[10] 10 0 Z
bit 95 O ? GPIO[9] 9 0 Z
bit 94 O ? GPIO[8] 8 0 Z
bit 93 O ? GPIO[7] 7 0 Z
bit 92 O ? GPIO[6] 6 0 Z
bit 91 O ? GPIO[5] 5 0 Z
bit 90 O ? GPIO[4] 4 0 Z
bit 89 O ? GPIO[3] 3 0 Z
bit 88 O ? GPIO[2] 2 0 Z
bit 87 O ? GPIO[1] 1 0 Z
bit 86 O ? GPIO[0] 0 0 Z
bit 85 C ? .
bit 84 C ? .
bit 83 C ? .
bit 82 C ? .
bit 81 C ? .
bit 80 C ? .
bit 79 C ? .
bit 78 C ? .
bit 77 C ? .
bit 76 C ? .
bit 75 C ? .
bit 74 C ? .
bit 73 C ? .
bit 72 C ? .
bit 71 C ? .
bit 70 C ? .
bit 69 C ? .
bit 68 C ? .
bit 67 C ? .
bit 66 C ? .
bit 65 C ? .
bit 64 C ? .
bit 63 C ? .
bit 62 C ? .
bit 61 C ? .
bit 60 C ? .
bit 59 C ? .
bit 58 C ? .
bit 57 C ? .
bit 56 C ? .
bit 55 C ? .
bit 54 C ? .
bit 53 C ? .
bit 52 C ? .
bit 51 C ? .
bit 50 C ? .
bit 49 C ? .
bit 48 C ? .
bit 47 C ? .
bit 46 C ? .
bit 45 C ? .
bit 44 C ? .
bit 43 C ? .
bit 42 C ? .
bit 41 C ? .
bit 40 C ? .
bit 39 C ? .
bit 38 C ? .
bit 37 C ? .
bit 36 C ? .
bit 35 C ? .
bit 34 C ? .
bit 33 C ? .
bit 32 C ? .
bit 31 C ? .
bit 30 C ? .
bit 29 C ? .
bit 28 C ? .
bit 27 C ? .
bit 26 C ? .
bit 25 C ? .
bit 24 C ? .
bit 23 C ? .
bit 22 C ? .
bit 21 C ? .
bit 20 C ? .
bit 19 C ? .
bit 18 C ? .
bit 17 C ? .
bit 16 C ? .
bit 15 C ? .
bit 14 C ? .
bit 13 C ? .
bit 12 C ? .
bit 11 C ? .
bit 10 C ? .
bit 9 C ? .
bit 8 C ? .
bit 7 C ? .
bit 6 C ? .
bit 5 C ? .
bit 4 C ? .
bit 3 C ? .
bit 2 C ? .
bit 1 C ? .
bit 0 C ? .