Z86C34 datasheet(6/70 Pages) ZILOG

номер детали	Z86C34

подробное описание детали	CMOS Z8 MCUs WITH ASCI UART OFFER EFFICIENT, COST-EFFECTIVE DESIGN FLEXIBILITY

PDF	70 Pages

Scroll/Zoom	100%

производитель	ZILOG [Zilog, Inc.]

домашняя страница	http://www.zilog.com

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6 / 70 page

Z86C34/C35/C36/C44/C45/C46

CMOS Z8® MCUs with ASCI UART

ZiLOG

P R E L I M I N A R Y

DS007601-Z8X0499

PIN DESCRIPTION (Continued)

Figure 6. 44-Pin QFP Pin Conﬁguration

P21

P22

P23

P24

R/W

P25

P26

P27

P04

P30

P36

P37

P35

RESET

R/RL

P34

P33

P32

P31

Z86C44/C45/C46

Table 4. 44-Pin QFP Pin Identiﬁcation

Pin #

Symbol

Function

Direction

1–2

P05–06

Port 0, Bits 5,6

In/Output

3–4

P14–15

Port 1, Bits 4,5

In/Output

P07

Port 0, Bit 7

In/Output

6–7

VCC

Power Supply

8–9

P16–17

Port 1 Bits 6,7

In/Output

XTAL2

Crystal Oscillator

Output

XTAL1

Crystal Oscillator

Input

12–14 P31–33

Port 3, Bits 1,2,3

Input

P34

Port 3, Bit 4

Output

Address Strobe

Output

R/RL

ROM/ROMless Control

Input

RESET

Reset

Input

P35

Port 3, Bit 5

Output

P37

Port 3, Bit 7

Output

P36

Port 3, Bit 6

Output

P30

Port 3, Bit 0

Input

23–24 P00–01

Port 0, Bits 0,1

In/Output

25–26 P10–11

Port 1, Bits 0,1

In/Output

P02

Port 0, Bit 2

In/Output

28–29 GND

Ground

30–31 P12–13

Port 1, Bits 2,3

In/Output

P03

Port 0, Bit 3

In/Output

33–37 P20–24

Port 2, Bits 0,1,2,3,4

In/Output

Data Strobe

Output

Not Connected

R/W

READ/WRITE

Output

Table 4. 44-Pin QFP Pin Identiﬁcation

Pin #

Symbol

Function

Direction

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