Z8C520 datasheet(4/43 Pages) ZILOG

Part #	Z8C520

Description	1.5 MBPS USB Device Controller

Download	43 Pages

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Manufacturer	ZILOG [Zilog, Inc.]

Direct Link	http://www.zilog.com

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Z8E520/C520

1.5 MBPS USB Device Controller

Zilog

4

P R E L I M I N A R Y

DS97KEY2005

PIN IDENTIFICATION

Figure 3. 20-Pin DIP/SOIC Pin Assignments

PA6

PA7

PB0

PB1

PB2

PB3

PB4

PB5

PA0

PA1

PA5

PA4

XTAL (2)

GND

XTAL (1)

VCC

PB7

PB6

PA3

PA2

20

20-Pin

DIP/SOIC

1

10

11

Table 1. 20-Pin DIP/SOIC Pin Identiﬁcation

STANDARD Mode

Pin #

Symbol

Function

Direction

1, 2

PA X(6,7)

Digital I/O + I SINK

Bidirectional

3–8

PB X(0–5)

Digital I/O +Comparators

Bidirectional

9–12

PA X(0–3)

Digital I/O

Bidirectional

13–14

PB X (6–7)

Digital I/O + Communications

Bidirectional

15

Vcc

Power

16

XTAL (1)

Clock

17

GND

Power

18

XTAL (2)

Clock

19, 20

PA X(4,5)

Digital I/O + I SINK

Bidirectional

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