參數(shù)資料
型號: SAF-C513A-HN
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 121/128頁
文件大?。?/td> 1837K
代理商: SAF-C513A-HN
Interrupt System
Semiconductor Group
7-5
7.2.2 Interrupt Priorities
Each interrupt source can also be individually programmed to one of two priority levels by setting or
clearing a bit in the SFR IP (Interrupt Priority, 0: low priority, 1: high priority).
Special Function Registers IP (Address B8H)
Reset Value : X0000000B
Bit
Function
Not implemented, reserved for future use. Will be read as “1“.
PSSC
SSC Priority Level
If PSSC = 0, the SSC interrupt has a low priority.
PT2
Timer 2 Interrupt Priority Level.
If PT2 = 0, the timer 2 interrupt has a low priority.
PS
Serial Channel (USART) Interrupt Priority Level
(C513//C513A/C513A-H only)
If PS = 0, the serial channel interrupt has a low priority.
PT1
Timer 1 Overflow Interrupt Priority Level.
If PT1 = 0, the timer 1 interrupt has a low priority.
PX1
External Interrupt 1 Priority Level.
If PX1 = 0, the external interrupt 1 has a low priority.
PT0
Timer 0 Overflow Interrupt Priority Level.
If PT0 = 0, the timer 0 interrupt has a low priority.
PX0
External Interrupt 0 Priority Level.
If PX0 = 0, the external interrupt 0 has a low priority.
PSSC
PT2
PS
B8H
IP
Bit No.
7
65
43
21
0
MSB
LSB
PT1
PX1
PT0
PX0
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