Z86E61(2008) View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z86E61
(Rev.:2008)

CMOS Z8 16K/32K EPROM Microcontroller

Zilog 

Z86E61/E63

CMOS Z8 16K/32K EPROM Microcontroller

15

Z86E61

/E63

MCU

Open-Drain

OEN

Port 2 (I/O)

Handshake controls

DAV2 and RDY2

(P31 and P36)

PAD

Out

TTL Level Shifter

In

R = 500 kΩ

Figure 8. Port 2 Configuration

Auto Latch

Port 3 (P37-P30). Port 3 is an 8-bit, CMOS compatible four-fixed input and four-

fixed output port. These eight I/O lines have four-fixed (P33-P30) input and four-

fixed (P37-P34) output ports. Port 3, when used as serial I/O, is programmed as

serial in and serial out, respectively (Figure 9).

PS014401-1001

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