TMP86xy09NG Toshiba, TMP86xy09NG Datasheet - Page 49

• Manufacturer Part Number: TMP86xy09NG
• Manufacturer: Toshiba

Specifications of TMP86xy09NG

• Package: SDIP32
• Rom Types (m=mask,p=otp,f=flash): M/F
• Rom Size: 8/16
• Ram Size: 256/512
• Driver Led: 8
• Driver Lcd: -
• Spi/sio Channels: 1
• Uart/sio Channels: 1
• I2c/sio Channels: -
• High-speed Serial Output: -
• Adc 8-bit Channels: -
• Adc 10-bit Channels: 6
• Da Converter Channels: -
• Timer Counter 18-bit Channel: -
• Timer Counter 16-bit Channel: 1
• Timer Counter 8-bit Channel: 2
• Motor Channels: -
• Watchdog Timer: √
• Dual Clock: √
• Clock Gear: -
• Number Of I/o Ports: 26
• Power Supply (v): 2.7 to 5.5

Example :Save/store register using PUSH and POP instructions
Example :Save/store register using data transfer instructions
Figure 3-2 Saving/Restoring General-purpose Registers under Interrupt Processing
3.4.2.2
SP
At acceptance of
an interrupt
PINTxx:
PINTxx:
Using data transfer instructions
To save only a specific register without nested interrupts, data transfer instructions are available.
PSW
PCH
PCL
Saving/Restoring general-purpose registers using PUSH/POP data transfer instruction
PUSH
(interrupt processing)
POP
RETI
LD
(interrupt processing)
LD
RETI
SP
Main task
At execution of
PUSH instruction
WA
WA
(GSAVA), A
A, (GSAVA)
PSW
PCH
PCL
W
A
Interrupt
acceptance
Interrupt return
Page 39
SP
Interrupt
service task
At execution of
POP instruction
; Save WA register
; Restore A register
; Restore WA register
; RETURN
; Save A register
; RETURN
PSW
PCL
PCH
Saving
registers
Restoring
registers
SP
At execution of
RETI instruction
TMP86C809NG
Address
(Example)
b-5
b-4
b-3
b-2
b-1
b