77007mc.hpl

schematic interface orange for eeprom programming

; Orange programmer module v1.1
; (c) 2000 Alex Plusov & Valery Fomin
; CHIP=77005MC (16x16), 77007MC (16x16)
; Some bytes write protected!

SOCKET=2

PINO=CLK,0
PINO=DI,1
PINO=CS,2
PINO=WP,3
PINO=MOD,4
PINI=DO,1

CDELAY=5 ; one set delay

[INIT]
MOD=0,WP=1

[READ]
CS=0,CLK=0,DI=0,CS=1
CONST=011100B
LOOP=CONST(5,0){DI=I,CLK=1,CLK=0}  ; READ instr
LOOP=ADR(3,0){DI=I,CLK=1,CLK=0}    ; out adr
DI=1
LOOP=DATA(15,0){CLK=1,CLK=0,I=DO}  ; read data word
CS=0

[WRITEINIT]
CS=0,CLK=0,DI=0,CS=1
CONST=010111B
LOOP=CONST(5,0){DI=I,CLK=1,CLK=0}  ; WRITE enable ?
CONST=0
LOOP=CONST(3,0){DI=I,CLK=1,CLK=0}  ; ???
LOOP=CONST(15,0){CLK=0,DI=I,CLK=1} ; ???
CS=0
P=40000                            ; ???

[WRITE]
CS=0,CLK=0,DI=0,CS=1
CONST=010000B
LOOP=CONST(5,0){DI=I,CLK=1,CLK=0}  ; WRITE instr
LOOP=ADR(3,0){DI=I,CLK=1,CLK=0}    ; out adr
LOOP=DATA(15,0){CLK=0,DI=I,CLK=1}  ; write data word
CS=0
P=40000