NEC PD75402A User Manual

Page 56

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45

CHAPTER 5. PERIPHERAL HARDWARE FUNCTIONS

Fig. 5-4 Configuration of Ports 2 and 6

*

Input/output mode specification is performed by bit 2 (PM2) of PMGB for port 2 and by bits 4 to 7 (PM60 to 63)

of PMGA for port 6.

Remarks

m = 2 or 6

Internal Bus

Output Latch

PM2/
PM60 to
63

Input Buffer

POGA
Bit m

POm

PMm = 0

PMm = 1

P-ch

Pull-up
Resistors

V

DD

P m 0

P m 1

P m 2

P m 3

Output
Buffer

PMGB Bit 2,
PMGA bits
4 to 7

M

P
X

*

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