TMP89xy60UG/FG Toshiba, TMP89xy60UG/FG Datasheet - Page 74
TMP89xy60UG/FG
Manufacturer Part Number
TMP89xy60UG/FG
Description
Manufacturer
Toshiba
Datasheet
1.TMP89XY60UGFG.pdf
(432 pages)
Specifications of TMP89xy60UG/FG
Package
LQFP64/QFP64
Rom Types (m=mask,p=otp,f=flash)
M/F
Rom Size
32/60
Ram Size
3K
Driver Led
8
Driver Lcd
-
Spi/sio Channels
-
Uart/sio Channels
2
I2c/sio Channels
1
High-speed Serial Output
-
Adc 8-bit Channels
-
Adc 10-bit Channels
16
Da Converter Channels
-
Timer Counter 18-bit Channel
-
Timer Counter 16-bit Channel
2
Timer Counter 8-bit Channel
4
Motor Channels
-
Watchdog Timer
Y
Dual Clock
Y
Clock Gear
Y
Number Of I/o Ports
58
Power Supply (v)
4.3 to 5.5
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3.5
Interrupt Sequence
RA003
Example :Save/store register using data transfer instructions
Example :Saving/restoring registers, using an instruction for transfer with data memory (with the main task using the
Figure 3-4 Saving/Restoring General-purpose Registers under Interrupt Processing
3.5.3.2
3.5.3.3
register bank BANK0)
PINTxx:
PINTxx:
purpose registers at a time. The register bank function saves (switches) the general-purpose registers by
executing a register bank manipulation instruction (such as LD RBS,1) at the beginning of an interrupt service
task. It is unnecessary to re-execute the register bank manipulation instruction at the end of the interrupt
service task because executing the RETI instruction makes a return automatically to the register bank that
was being used by the main task according to the content of the PSW.
To save only a specific register without nested interrupts, data transfer instructions are available.
In non-multiple interrupt handling, the register bank function can be used to save/restore the general-
Using data transfer instructions
Using a register bank to save/restore general-purpose registers
Note:Two register banks (BANK0 and BANK1) are available. Each bank consists of 8-bit general-purpose
registers (W, A, B, C, D, E, H, and L) and 16-bit general-purpose registers (IX and IY).
LD
Interrupt processing
LD
RETI
LD
Interrupt processing
RETI
Main task
(GSAVA), A
A, (GSAVA)
RBS, 1
Interrupt acceptance Interrupt
Interrupt return
Page 58
; Save A register
; Restore A register
; RETURN
; Switches to the register bank BANK1
; RETURN
(Makes a return automatically to BANK0 that
was being used by the main task when the
PSW is restored)
service task
Saving
registers
Restoring
registers
TMP89FS60
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