SM39R08A5 Datasheet, PDF (38/58 Pages) SyncMOS Technologies,Inc – Additional Baud Rate Generator

SM39R08A5
8-Bit Micro-controller
with 8KB Flash
& 256B RAM embedded
All interrupt sources are combined in groups:
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
Serial channel interrupt
-
Table 9-2: Priority level groups
Groups
-
WDT interrupt
Comparator interrupt
-
-
-
PWM interrupt
-
ADC interrupt
-
LVI interrupt
IIC interrupt
Each group of interrupt sources can be programmed individually to one of four priority levels by setting or clearing one bit
in the special function register IP0 and one in IP1. If requests of the same priority level will be received simultaneously, an
internal polling sequence determines which request is serviced first.
Mnemonic: IP0
7
6
-
-
5
IP0.5
4
IP0.4
3
IP0.3
2
IP0.2
1
IP0.1
Address: A9h
0 Reset
IP0.0 00h
Mnemonic: IP1
7
6
-
-
5
IP1.5
4
IP1.4
3
IP1.3
2
IP1.2
1
IP1.1
Address: B9h
0 Reset
IP1.0 00h
Table 9-3: Priority levels
IP1.x IP0.x
Priority Level
0
0
Level0 (lowest)
0
1
Level1
1
0
Level2
1
1
Level3 (highest)
Bit
IP1.0, IP0.0
IP1.1, IP0.1
IP1.2, IP0.2
IP1.3, IP0.3
IP1.4, IP0.4
IP1.5, IP0.5
Table 9-4: Groups of priority
External interrupt 0
Timer 0 interrupt
External interrupt 1
Timer 1 interrupt
Serial channel interrupt
-
Group
-
WDT interrupt
Comparator interrupt
-
-
-
PWM interrupt
-
ADC interrupt
-
LVI interrupt
IIC interrupt
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M067
Ver E SM39R08A5 06/30/2015
- 38 -