參數(shù)資料
型號(hào): EM78P870
廠商: ELAN Microelctronics Corp .
元件分類(lèi): 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁(yè)數(shù): 40/48頁(yè)
文件大?。?/td> 313K
代理商: EM78P870
EM78P870
8-bit OTP Micro-controller
_________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
37
8/19/2004 (V1.5)
PAGE1 (Comparator reference voltage type, PORT switch)
7
6
CMPREF
CMPIN3
CMPIN2
Bit 0 ~ Bit 3 = 0 : unused
Bit 4 (CMPIN1) : Switch for controlling PORT63 as IO PORT or a comparator input.
0
IO PORT63
1
comparator input
Bit5 (CMPIN2) : Switch for controlling PORT64 as IO PORT or a comparator input.
0
IO PORT64
1
comparator input
Bit 6 (CMPIN3) : Switch for controlling PORT65 as IO PORT or a comparator input.
0
IO PORT65
1
comparator input
Bit 7 (CMPREF) : Switch for comparator reference voltage type
0
internal reference voltage (Come from VDD).
1
external reference voltage
5
4
3
0
2
0
1
0
0
0
CMPIN1
PAGE2 (Undefined)
7
0
IOCE page2 is un-exist in EM78870, please do not access this register.
Bit 0~6 : Undefined. These bits are not allowed to used.
Bit 7 : Unused, please clear this bit to 0 or the result of comparator will wrong.
IOCF (Interrupt Mask Register)
7
6
5
4
RBF
-
INT2
INT1
Bit 0 ~ Bit 5,7 are interrupt mask enable bits.
0
disable interrupt
1
enable interrupt
Bit6 : unused
6
5
4
3
2
1
0
0
3
2
1
0
INT0
CNT2
CNT1
TCIF
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