AN594 datasheet(19/28 Pages) STMICROELECTRONICS

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Direct LCD Drive

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ANNEX 2: Software of the ST6265x based application (Continued)

.def 0d5h

; Timer 2 mode control register.

sc0

.def 0d6h

; Timer 2 status/control register.

sc1

.def 0d7h

; Timer 2 status/control register.

.def 0d9h

; Timer 2 reload/capture register.

.def 0dah

; Timer 2 compare register.

.def 0dbh

; Timer 2 load register.

wdt

.def 0d8h

; Watchdog register.

oscr

.def 0dch

; Oscillator control register.

lvi

.def 0ddh

; Multiplex register / lvi flag register.

spirad

.def 0e0h

; SPI register RAD.

spidiv

.def 0e1h

; SPI register DIV.

spimod

.def 0e2h

; SPI register MOD.

mbr

.def 0e8h

; memory bank register.

eecr

.def 0eah

; eeprom control register.

;************************************************************************

RAM DATA DEFINITION

;************************************************************************

duty0

.def 087h,0ffh,0ffh ; user request reference

counter1 .def 089h,0ffh,0ffh ; duty0 variation rate control byte

DIG1

.def 0a6h,0ffh,0ffh ; data/rom @ of DIGIT1 segment driver

DIG2

.def 0a7h,0ffh,0ffh ; data/rom @ of DIGIT2 segment driver

LCDCTL

.def 0a8h,0ffh,0ffh ; LCD phase sequence control byte

pbbuf

.def 0aah,0ffh,0ffh ; buffer byte of data port b

BCD

.def 0a9h,0ffh,0ffh ; BinCodDec converted DATA

AUX1

.def 0a3h,0ffh,0ffh ; accumulator save byte

AUX2

.def 0a4h,0ffh,0ffh ; data/rom window register save byte

AUX3

.def 0a5h,0ffh,0ffh ; x register save byte

;************************************************************************

EQUATES DEFINITION

;************************************************************************

FASTIM

.equ 036h

; duration of each LCD drive phase (14 ms at 8 MHz)

;************************************************************************

MACROFUNCTIONS DEFINITION

;************************************************************************

.macro jumpnc jpadress,?lbl

jrc lbl

jp jpadress

lbl

.endm

;************************************************************************

.macro jumpz jpadress,?lbl

jrnz lbl

jp jpadress

lbl

.endm

;************************************************************************

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