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SN8P1603S 参数 Datasheet PDF下载

SN8P1603S图片预览
型号: SN8P1603S
PDF下载: 下载PDF文件 查看货源
内容描述: 8位微控制器 [8-Bit Micro-Controller]
分类和应用: 微控制器
文件页数/大小: 94 页 / 531 K
品牌: SONIX [ SONIX TECHNOLOGY COMPANY ]
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SN8P1600  
8-bit micro-controller  
TC0 TIMER OPERATION SEQUENCE  
The TC0 timer’s sequence of operation may be as following.  
Set the TC0C initial value to setup the interval time.  
Set the TC0ENB to be “1” to enable TC0 timer.  
TC0C is incremented by one after each clock pulse corresponding to TC0M selection.  
TC0C overflow if TC0C from FFH to 00H.  
When TC0C overflow occur, the TC0IRQ flag is set to be “1” by hardware.  
Execute the interrupt service routine.  
Users reset the TC0C value and resume the TC0 timer operation.  
Example: Setup the TC0M and TC0C.  
B0BCLR  
B0BCLR  
MOV  
FTC0IEN  
FTC0ENB  
A,#20H  
; To disable TC0 interrupt service  
; To disable TC0 timer  
;
B0MOV  
MOV  
B0MOV  
TC0M,A  
A,#74H  
TC0C,A  
; To set TC0 clock = fcpu / 64  
; To set TC0C initial value = 74H  
;(To set TC0 interval = 10 ms)  
B0BSET  
B0BCLR  
B0BSET  
FTC0IEN  
FTC0IRQ  
FTC0ENB  
; To enable TC0 interrupt service  
; To clear TC0 interrupt request  
; To enable TC0 timer  
Example: TC0 interrupt service routine.  
ORG  
JMP  
8
; Interrupt vector  
INT_SERVICE  
INT_SERVICE:  
B0XCH  
B0MOV  
B0MOV  
A, ACCBUF  
A, PFLAG  
PFLAGBUF, A  
; B0xch instruction do not change C,Z flag  
B0BTS1  
JMP  
FTC0IRQ  
EXIT_INT  
; Check TC0IRQ  
; TC0IRQ = 0, exit interrupt vector  
B0BCLR  
MOV  
B0MOV  
.
FTC0IRQ  
A,#74H  
TC0C,A  
.
; Reset TC0IRQ  
; Reload TC0C  
; TC0 interrupt service routine  
.
.
JMP  
EXIT_INT  
; End of TC0 interrupt service routine and exit interrupt  
vector  
.
.
.
.
EXIT_INT:  
B0MOV  
B0MOV  
B0XCH  
A, PFLAGBUF  
PFLAG, A  
A, ACCBUF  
; Restore ACC value.  
; Exit interrupt vector  
RETI  
SONiX TECHNOLOGY CO., LTD  
Page 55  
Revision 1.94  
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