7560 datasheet(21/71 Pages) RENESAS

21 / 71 page

Rev.1.02

Jul 31, 2003

page 21 of 69

7560 Group (A version)

Fig. 17 Port block diagram (4)

(18) Port P61

(19) Port P62

(20) Port P63

Serial I/O2 output

Serial I/O2 transmit end signal

Serial I/O2 synchronous clock selection bit

Serial I/O2 port selection bit

Pull-up control

Analog input pin selection bit

A-D converter input

P61/SOUT2 P-channel output disable bit

(21) COM0–COM3

(22) SEG0–SEG17

VL3

VL2

VL1

VSS

VL2/VL3

VL1/VSS

(23) Port P70

INT0 input

Serial I/O2 synchronous clock

selection bit

Serial I/O2 clock output

Serial I/O2 clock input

Serial I/O2 port selection bit

Synchronous clock output pin

selection bit

A-D converter input

Serial I/O2 clock output

A-D converter input

Direction

Port latch

Data bus

Pull-up control

Direction

Port latch

Data bus

Analog input pin selection bit

Pull-up control

Direction

Port latch

Data bus

Analog input pin selection bit

Serial I/O2 synchronous clock selection bit

Serial I/O2 port selection bit

Data bus

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.

Synchronous clock output pin selection

bit

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