9.0 Interrupts (Continued) Programming Example: External Interrupt PSW =00EF CNTRL =00EE RBIT 0,PORTGC R" />
參數(shù)資料
型號(hào): COP8SAB7SLB8
廠(chǎng)商: National Semiconductor
文件頁(yè)數(shù): 27/62頁(yè)
文件大小: 0K
描述: IC MCU OTP 8BIT 2K 28LAMINATECSP
標(biāo)準(zhǔn)包裝: 1
系列: COP8™ 8SA
核心處理器: COP8
芯體尺寸: 8-位
速度: 10MHz
連通性: Microwire/Plus(SPI)
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 24
程序存儲(chǔ)器容量: 2KB(2K x 8)
程序存儲(chǔ)器類(lèi)型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 28-VFQFN,CSP
包裝: 剪切帶 (CT)
其它名稱(chēng): *COP8SAB7SLB8
COP8SAB7SLB8CT
9.0 Interrupts (Continued)
Programming Example: External Interrupt
PSW
=00EF
CNTRL
=00EE
RBIT
0,PORTGC
RBIT
0,PORTGD
; G0 pin configured Hi-Z
SBIT
IEDG, CNTRL
; Ext interrupt polarity; falling edge
SBIT
GIE, PSW
; Set the GIE bit
SBIT
EXEN, PSW
; Enable the external interrupt
WAIT:
JP
WAIT
; Wait for external interrupt
.
.=0FF
; The interrupt causes a
VIS
; branch to address 0FF
;The VIS causes a branch to
;interrupt vector table
.
.=01FA
; Vector table (within 256 byte
.ADDRW SERVICE
; of VIS inst.) containing the ext
;interrupt service routine
.
SERVICE:
; Interrupt Service Routine
RBIT, EXPND, PSW
; Reset ext interrupt pend. bit
.
RET
; Return, set the GIE bit
COP8SA
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