UPD75518 NEC, UPD75518 Datasheet - Page 78

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

78
Example
Caution
Example
When the timer operating in the timer operation mode is stopped, IRQTPG may be set because
T F/F is set. So, the timer must be stopped with an interrupt being disabled, then IRQTPG must
be cleared.
Set IRQTPG every 1.95 ms, and set the output high on the PPO pin.
CLR1
MOV
MOV
MOV
MOV
MOV
MOV
DI
CLR1
MOV
MOV
CLR1
EI
MBE
XA, #00100000B
MODL, XA
XA, #0FFH
MODH, XA
XA, #10011011B
TPGM, XA
MBE
XA, #0
TPGM, XA
IRQTPG
; or SEL MB15
; Timer start, PPO
1
PD75518(A)