tmp89ch42 TOSHIBA Semiconductor CORPORATION, tmp89ch42 Datasheet - Page 50

• Manufacturer Part Number: tmp89ch42
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

2.3
System clock controller
RB000
PINTWUC:
VINTWUC:
SET
SET
¦
; #### Interrupt service routine of warm-up counter interrupts ####
CLR
NOP
NOP
CLR
RETI
¦
DW
(EIRL). 4
(SYSCR2) .6
(SYSCR2). 4
(SYSCR2). 5
PINTWUC
Page 36
;Enables INTWUC interrupts
;SYSCR2<XEN> = 1
;(Starts the oscillation of the high-frequency clock oscillation circuit)
;SYSCR2<SYSCK> = 0
;(Switches the main system clock to the gear clock)
;Waits for 2 machine cycles
;SYSCR2<XTEN> = 0
;(Turns off the low-frequency clock oscillation circuit)
;INTWUC vector table
TMP89CH42