参数资料
型号: COP8SGA840V8
厂商: National Semiconductor Corporation
英文描述: 8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART
中文描述: 8位的CMOS基于ROM和OTP微控制器具有8K到32K的内存,2个比较器和USART
文件页数: 39/62页
文件大小: 913K
代理商: COP8SGA840V8
10.0 Interrupts
(Continued)
Programming Example: External Interrupt
PSW
CNTRL
RBIT
RBIT
SBIT
SBIT
SBIT
WAIT:
JP
.
.
.
.=0FF
VIS
=00EF
=00EE
0,PORTGC
0,PORTGD
IEDG, CNTRL
EXEN, PSW
GIE, PSW
WAIT
; G0 pin configured Hi-Z
; Ext interrupt polarity; falling edge
; Enable the external interrupt
; Set the GIE bit
; Wait for external interrupt
; The interrupt causes a
; branch to address 0FF
; The VIS causes a branch to
;interrupt vector table
.
.
.
.=01FA
.ADDRW SERVICE
; Vector table (within 256 byte
; of VIS inst.) containing the ext
; interrupt service routine
.
.
INT_EXIT:
RETI
.
.
RBIT
SERVICE:
EXPND, PSW
; Interrupt Service Routine
; Reset ext interrupt pend. bit
.
.
.
JP
INT_EXIT
; Return, set the GIE bit
C
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COP8SGA844D6 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART
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COP8SGA844D8 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS ROM Based and OTP Microcontrollers with 8k to 32k Memory, Two Comparators and USART