EM78P451WM datasheet(6/54 Pages) EMC

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EM78P451

8-Bit Microcontroller with OTP ROM

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Product Specification (V1.1) 06.30.2003

(This specification is subject to change without further notice)

Programmable wake up from sleep circuit on I/O ports.

Programmable free running on-chip watchdog timer.

12 wake-up pins.

2 open-drain pins.

2 R-option pins.

32 programmable pull-high input pins.

Packages:

• 40 pin DIP 600mil: EM78P451P.

• 44 pin QFP: EM78P451AQ.

Four types of interrupts.

• External interrupt (/INT).

• SPI transmission completed interrupt.

• TCC overflow interrupt.

• Timer1 comparator match interrupt.

PIN ASSIGNMENT

VSS

IN T

DA T A

P9 1

S D I/P 9 2

SD O / P9 3

S CK/ P 9 4

SS/ P 9 5

CL K

P9 0

OS C O

P5 0

P5 1

P5 2

P5 3

P5 4

P5 5

P5 6

P5 7

P8 0

P8 1

P8 3

P8 4

P6 0

P8 7

P8 6

P8 5

P6 2

P6 1

P6 3

P6 4

P6 5

P6 6

R- O S CI

VD D

P7 1

P7 2

P6 7

P8 2

P7 0

P8 7

P6 4

P6 3

P7 2

P6 5

P6 6

P6 0

P6 1

P6 2

P6 7

P7 1

P9 0

P9 1

S D I/P 9 2

SD O / P9 3

P5 0

P5 1

P5 2

P5 3

P5 4

SC K / P 9 4

SS / P 9 5

E M 78 P 451 A Q

Fig. 1 Pin Assignment

EM78P451WM Datasheet(PDF) 6 Page - ELAN Microelectronics Corp

EM78P451WM Datasheet(HTML) 6 Page - ELAN Microelectronics Corp

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