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參數(shù)資料
| 型號： | P87C453EFLKA |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CMOS single-chip 8-bit microcontrollers |
| 中文描述： | 8-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQCC68 |
| 文件頁數(shù)： | 6/23頁 |
| 文件大?。?/td> | 163K |
| 代理商： | P87C453EFLKA |
Philips Semiconductors
Preliminary specification
80C453/83C453/87C453
CMOS single-chip 8-bit microcontrollers
1996 Aug 15
3-316
IE.0
IE.2
INT0
IT0
TF0
INT1
IT1
TF1
RI
TI
IE REGISTER
IP REGISTER
HIGH PRIORITY
INTERRUPT
INTERRUPT
POLLING
SEQUENCE
LOW PRIORITY
INTERRUPT
INDIVIDUAL
ENABLES
GLOBAL
DISABLE
0
1
0
1
IBF
SU00562
IE.1
IE.3
IE.4
IE.5
OBF
IE.6
Figure 1. 8XC453 Interrupt Control System
EX0
LSB
MSB
BIT
IE.7
SYMBOL
EA
FUNCTION
Disables all interrupts. If EA=0, no interrupt will be acknowledged. If EA=1, each interrupt
source is individually enabled or disabled by setting or clearing its enable bit.
Enables or disables the Output Buffer Full (OBF) interrupt. If IOB=0, the interrupt is disabled,
If IOB=1, an interrupt will occur if EA is set and data has been read from the output buffer
register through Port 6 by the external host pulsing ODS low.
Enables or disables the Input Buffer Full (IBF) interrupt. If IIB=0, the interrupt is disabled. If
IIB=1, an interrupt will occur if EA is set and data has been written into the Port 6 Input Data
Buffer by the host strobing IDS low.
Enables or disables the Serial Port Interrupt. If ES=0, the Serial Port Interrupt. If ES=0, the
Serial Port interrupt is disabled.
Enables or disables the Timer 1 Overflow interrupt. If ET1=0, the Timer 1 interrupt is disabled.
Enables or disables External Interrupt 1. If EX1=0, External Interrupt 1 is disabled.
Enables or disables the Timer 0 Overflow interrupt. If ET0=0, the Timer 0 interrupt is disabled.
Enables or disables External Interrupt 0. If EX0=0, external Interrupt 0 is disabled.
IE.6
IOB
IE.5
IIB
IE.4
ES
IE.3
IE.2
IE.1
IE.0
ET1
EX1
ET0
EX0
SU00563
ET0
EX1
ET1
ES
IIB
IOB
EA
Figure 2. 8XC453 Interrupt Enable (IE) Register
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