參數(shù)資料
型號(hào): HMS99C58S
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS WITH EMBEDDED FLASH
中文描述: 8位單片機(jī)與嵌入式閃存微控制器
文件頁數(shù): 28/73頁
文件大小: 696K
代理商: HMS99C58S
HMS99C51S/52S/54S/56S/58S
24
Sep. 2004 Ver 1.01
INTERRUPT SYSTEM
The HMS99C51S/52S/54S/56S/58S provide 6 (above 8K bytes ROM version) interrupt sources with two pri-
ority levels. Figure 5 gives a general overview of the interrupt sources and illustrates the request and control
flags.
Figure 5. Interrupt Request Sources
PT0
IP.1
PT1
IP.3
PT2
IP.5
PS
IP.4
PX0
IP.0
PX1
IP.2
EA
IE.7
ET0
IE.1
ET1
IE.3
ET2
IE.5
ES
IE.4
EX0
IE.0
EX1
IE.2
TF0
TCON.5
TF1
TCON.7
1
TF2
T2CON.7
EXF2
T2CON.6
1
RI
SCON.0
TI
SCON.1
IE0
TCON.1
IE1
TCON.3
IT0
TCON.0
IT1
TCON.2
P3.2/
INT0
P3.3/
INT1
EXEN2
T2CON.3
P1.1/
T2EX
Timer 2 Overflow
Timer 0 Overflow
Timer 1 Overflow
: Low level triggered
: Falling edge triggered
Low
Priority
High
Priority
UART
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