st72324bk STMicroelectronics, st72324bk Datasheet - Page 36

• Manufacturer Part Number: st72324bk
• Description: 3 V/5 V Range 8-bit Mcu With 4/8 Kbyte Rom, 10-bit Adc, Four Timers And Spi
• Manufacturer: STMicroelectronics

Interrupts
Note:
36/167
Table 8.
During the execution of an interrupt routine, the Halt, POPCC, RIM, SIM and WFI
instructions change the current software priority up to the next IRET instruction or one of the
previously mentioned instructions.
Table 9.
POP CC
RIM
SIM
TRAP
WFI
Instruction
No
10
11
0
1
2
3
4
5
6
7
8
9
MCC/RTC
TIMER A
TIMER B
Source
RESET
block
TRAP
SPI
ei0
ei1
ei2
ei3
Dedicated interrupt instruction set (continued)
Interrupt mapping
Pop CC from the Stack
Enable interrupt (level 0 set)
Disable interrupt (level 3 set) Load 11 in I1:0 of CC
Software trap
Wait for interrupt
Reset
Software interrupt
Main clock controller time
base interrupt
External interrupt port
A3..0
External interrupt port
F2..0
External interrupt port
B3..0
External interrupt port
B7..4
SPI peripheral interrupts
TIMER A peripheral
interrupts
TIMER B peripheral
interrupts
New description
Description
Not used
Not used
Not used
Not used
Mem => CC
Load 10 in I1:0 of CC
Software NMI
Register
MCCSR
SPICSR
Function/example
TBSR
TASR
label
N/A
N/A
Priority
Priority
Priority
Higher
Lower
order
Halt/Active-
1
1
1
1
Exit from
I1
I1
Halt
yes
yes
yes
yes
yes
yes
yes
no
no
no
H
H
ST72323 ST72323L
0
1
1
0
I0
I0
FFECh-FFEDh
FFFCh-FFFDh
FFEAh-FFEBh
FFEEh-FFEFh
FFFEh-FFFFh
FFFAh-FFFBh
FFE8h-FFE9h
FFE6h-FFE7h
FFE4h-FFE5h
FFF8h-FFF9h
FFF6h-FFF7h
FFF4h-FFF5h
FFF2h-FFF3h
FFF0h-FFF1h
N
N
Address
vector
Z
Z
C
C