Toshiba TLCS-900/H1 Series Manual page 396

; ******** Sample program *********
LOOP1:
LDB A, (SDCMM)
ANDB A, 00000111B
J NZ, LOOP1
(SDRCR), 0000010100000010B ; AR stop → SR-ENTRY
LD
LD (SDRCR), 0000---1B
NOP × 10
RES 7, (PJ)
LD (PJFC), 0-------B
SET 1, (P8)
LD (P8FC), ------0-B
LD (P8FC2), ------0-B
LD (SYSCR1), 00001---B
HALT
NOP
LOOP2:
LDB A, (SDCMM)
ANDB A, 00000111B
J NZ, LOOP2
LDW (SDRCR), 0000010100000010B
LD (SDRCR), 0000----1B
NOP × 10
LD (SYSCR1), 00000---B
LD (PJFC), 1-------B
LD (P8FC2), ------1-B
LD (SDCMM), 00000110B
; Check the command register clear
;
;
; AR operation
; Wait for execution of self-refresh entry
;
; PJ7 (SDCKE)=Low
; PJ7=PORT
; P81 ( )
SDCS
;
; P81 = PORT
; fs
; Self-refresh Exit (Internal signal only)
; Check the command register clear
;
;
AR stop → SR-ENTRY Enable auto-refresh
;
;
; Wait for execution of self-refresh entry
; fc
; PJ7 = SDCKE
; P81 = SDCS
; Self-refresh Exit (command)
92CH21-394
TMP92CH21
2009-06-19