7513 datasheet(18/66 Pages) RENESAS

18 / 66 page

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

7513 Group

Fig. 12 Port block diagram (1)

(1) Ports P01–P07

Port direction register

Data bus

Port latch

Segment data

LCD drive timing

Port/Segment

Segment/Port

Segment

Port

VL1/VSS

VL2/VL3/VCC

Interface logic level

shift circuit

Port direction register

(2) Port P00

Port direction register

Data bus

Port latch

Segment data

LCD drive timing

Port/Segment

Segment/Port

Segment

Port

VL1/VSS

VL2/VL3/VCC

Interface logic level

shift circuit

Direction register

(5) Port P3

Output control

Data bus

Port latch

Segment data

LCD drive timing

Port/Segment

Segment/Port

Segment

Port

VL1/VSS

VL2/VL3/VCC

Interface logic level

shift circuit

(3) Ports P11–P15

Port direction register

Data bus

Port latch

Segment data

LCD drive timing

Port/Segment

Segment/Port

Segment

Port

Pull-up

VL1/VSS

VL2/VL3/VCC

Interface logic level

shift circuit

Port direction register

(4) Port P10

Port direction register

Data bus

Port latch

Segment data

LCD drive timing

Port/Segment

Segment/Port

Segment

Port

Pull-up

VL1/VSS

VL2/VL3/VCC

Interface logic level

shift circuit

Direction register

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