7513 datasheet(21/66 Pages) RENESAS

21 / 66 page

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

7513 Group

Fig. 15 Port block diagram (4)

(20) Port P61

(21) Port P62

(22) Port P63

Data bus

Serial I/O2 output

Port latch

Serial I/O2 transmit completion signal

Synchronous clock selection bit

Serial I/O2 port selection bit

Direction register

Pull-up control

Analog input pin selection bit

A-D conversion input

P61/SOUT2 P-channel output disable bit

(23) COM0–COM3

(24) SEG0–SEG17

VL3

VL2

VL1

VSS

VL2/VL3

VL1/VSS

The gate input signal of each

transistor is controlled by the

LCD duty ratio and the bias

value.

The voltage applied to the sources of

P-channel and N-channel transistors

is the controlled voltage by the bias

value.

(25) Port P70

Data bus

INT0 input

Synchronous clock selection bit

Data bus

Serial I/O2 clock output

Serial I/O2 clock input

Port latch

Direction register

Data bus

Port latch

Direction register

Synchronous clock selection bit

Serial I/O2 port selection bit

Synchronous clock output pin selection bit

Pull-up control

Synchronous clock output pin

selection bit

Serial I/O2 port selection bit

Pull-up control

Analog input pin selection bit

A-D conversion input

Serial I/O2 clock output

Analog input pin selection bit

A-D conversion input

(18) Ports P64–P67

Analog input pin selection bit

A-D conversion input

Data bus

Port latch

Direction register

Pull-up control

(19) Port P60

Data bus

Port latch

Direction register

Pull-up control

Serial I/O2 input

A-D conversion input

Analog input pin selection bit

7513 Datasheet(PDF) 21 Page - Renesas Technology Corp

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