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EM78P342NP Datasheet(PDF) 29 Page - ELAN Microelectronics Corp

Part # EM78P342NP
Description  8-Bit Microprocessor with OTP ROM
PDF  102 Pages
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Manufacturer  EMC [ELAN Microelectronics Corp]
Direct Link  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P342NP Datasheet(HTML) 29 Page - ELAN Microelectronics Corp

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EM78P341N/342N/343N
8-Bit Microprocessor with OTP ROM
Product Specification (V1.0) 12.01.2006
• 23
(This specification is subject to change without further notice)
Bit 4 (/OD64): Control bit used to enable the open-drain of the P64 pin
(Not applicable to EM78P341N)
Bit 3 (/OD63): Control bit used to enable the open-drain of the P63 pin
(Not applicable to EM78P341N)
Bit 2 (/OD62): Control bit used to enable the open-drain of the P62 pin
(Not applicable to EM78P341N)
Bit 1 (/OD61): Control bit used to enable the open-drain of the P61 pin
Bit 0 (/OD60): Control bit used to enable the open-drain of the P60 pin
6.2.9 IOCD0 (Pull-high Control Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
/PH57
/PH56
/PH55
/PH54
/PH53
/PH52
/PH51
/PH50
NOTE
The IOCD0 register is both readable and writable.
Bit 7 (/PH57): Control bit is used to enable the pull-high of the P57 pin (applicable to
EM78P343N only).
0 = Enable internal pull-high
1 = Disable internal pull-high
Bit 6 (/PH56): Control bit used to enable the pull-high function of the P56 pin
(applicable to EM78P343N only).
Bit 5 (/PH55): Control bit used to enable the pull-high function of the P55 pin.
Bit 4 (/PH54): Control bit used to enable the pull-high function of the P54 pin.
Bit 3 (/PH53): Control bit used to enable the pull-high function of the P53 pin.
Bit 2 (/PH52): Control bit used to enable the pull-high function of the P52 pin.
Bit 1 (/PH51): Control bit used to enable the pull-high function of the P51 pin.
Bit 0 (/PH50): Control bit used to enable the pull-high function of the P50 pin.
6.2.10 IOCE0 (WDT Control & Interrupt Mask Registers 2)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
WDTE
EIS
ADIE
CMPIE
PSWE
PSW2
PSW1
PSW0
Bit 7 (WDTE): Control bit used to enable Watchdog Timer
0 = Disable WDT
1 = Enable WDT
WDTE is both readable and writable.



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