M38031F3L-XXXHP Ver la hoja de datos (PDF) - Renesas Electronics

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Fabricante

M38031F3L-XXXHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

3803 Group (Spec.L)

(1) Ports P0, P6

Pull-up control bit

Data bus

Direction

register

Port latch

(2) Ports P10, P11, P42, P43, P57

Pull-up control bit

Data bus

Direction

register

Port latch

A/D converter input

Analog input pin

selection bit

(3) Ports P12 to P17, P2

Pull-up control bit

Data bus

Direction

register

Port latch

Interrupt input

(4) Ports P30, P31

Pull-up control bit

Data bus

Direction

register

Port latch

(5) Ports P32, P33

Data bus

Direction

register

Port latch

D/A converter output

DA1 output enable bit (P30)

DA2 output enable bit (P31)

(6) Ports P34, P44

Pull-up control bit

Serial I/O enable bit

Receive enable bit

Direction

register

Data bus

Port latch

(7) Ports P35, P45

Serial I/O enable bit

Transmit enable bit

Direction

register

Data bus

Port latch

Pull-up control bit

P-channel

output

disable bit

Serial I/O output

Fig 13. Port block diagram (1)

Rev.1.00 Apr 2, 2007 Page 17 of 117

REJ03B0212-0100

Serial I/O input

(8) Ports P36, P46

Serial I/O synchronous clock

selection bit

Serial I/O enable bit

Serial I/O mode selection bit

Serial I/O enable bit

Direction

register

Pull-up control bit

Data bus

Port latch

Serial I/O clock output

Serial I/O external clock input

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