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EM78P259NSO14J 参数 Datasheet PDF下载

EM78P259NSO14J图片预览
型号: EM78P259NSO14J
PDF下载: 下载PDF文件 查看货源
内容描述: [EM78Q153SN EM78P153SP EM78P153SN EM78156EH EM78156EP EM78156EM EM78156EKM EM78Q156ELP EM78Q156ELM EM78Q156ELKM EM78P156ELP EM78P156ELM EM78P156ELKM EM78P156NP EM78P156NM EM78447SH EM78447SAP EM78447SAM EM78447SAS EM78447SBP EM78447SBWM EM78Q447SH EM78Q447SAP EM78Q447SAM EM78Q447SBP EM78Q447SBWM EM78P447SAP EM78P447SAM EM78P447SAS EM78P447SBP EM78P447SBWM EM78Q257 EM78Q257AP EM78Q257AM EM78Q257BP EM78Q257BM EM78P257AP EM78P257AM EM78P257BP EM78P257BM EM78451H EM78451P EM78451AQ EM]
分类和应用:
文件页数/大小: 81 页 / 2574 K
品牌: ELAN [ ELAN MICROELECTRONICS CORP ]
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EM78P258N  
8-Bit Microprocessor with OTP ROM  
VCC  
P
D
Q
IRQn  
R
/IRQn  
CLK  
INT  
_
Q
IRQm  
C
L
RFRD  
RF  
ENI/DISI  
P
IOD  
Q
D
R
CLK  
_
Q
IOCFWR  
C
L
IOCF  
/RESET  
IOCFRD  
RFWR  
Fig. 6.7 Interrupt Input Circuit  
Interrupt  
occurs  
Interrupt sources  
ENI/DISI  
ACC  
STACKACC  
R3  
R4  
STACKR3  
STACKR4  
RETI  
Fig. 6.8 Interrupt Backup Diagram  
In EM78P258N, each individual interrupt source has its own interrupt vector as  
depicted in the table below.  
Interrupt Vector  
Interrupt Status  
Priority*  
003H  
006H  
009H  
00CH  
012H  
015H  
018H  
01BH  
01EH  
External interrupt  
1
2
3
4
5
6
7
8
9
Port 5 pin change  
TCC overflow interrupt  
AD conversion complete interrupt  
High-pulse width timer underflow interrupt  
Low-pulse width timer underflow interrupt  
TCCA overflow interrupt  
TCCB overflow interrupt  
TCCC overflow interrupt  
*Priority: 1 = highest ; 9 = lowest priority  
Product Specification (V1.0) 06.16.2005  
41  
(This specification is subject to change without further notice)  
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