Z86K13 View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z86K13

CMOS Z8® 8-BIT MCU KEYBOARD CONTROLLERS

Zilog 

Zilog

Z86K13/K14/K15/K16/K17/K18

CMOS Z8® 8-Bit MCU Keyboard Controllers

Port 2 (P27-P20). Port 2 is an 8-bit CMOS compatible Port P25 have 10.4K (±35%) pull-up resistors. P26-P27 have

with 4-bit input, 4-bit programmable I/O (Figure 9). P20- 2.4K (±25%) pull-up resistors.

1

Z86KXX

4

Input

I/O

(a) Ports P20-P23

Input

OEN

Open-Drain

(b) Ports P24-P25

OUT

IN

OEN

Open-Drain

(c) Ports P26-P27

OUT

IN

Input

Input

VCC

10.4 K

Pad

VCC

10.4 kOhm

Pad

VCC

2.4K

Pad

Figure 9. Port 2 Configuration

DS97KEY0204

PRELIMINARY

11

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