Z8E520 Datasheet, PDF (4/43 Pages) Zilog, Inc. – 1.5 MBPS USB Device Controller

Z8E520/C520
1.5 MBPS USB Device Controller
PIN IDENTIFICATION
PA6 1
20 PA5
PA7
PA4
PB0
XTAL (2)
PB1
20-Pin
GND
PB2
DIP/SOIC
XTAL (1)
PB3
VCC
PB4
PB7
PB5
PB6
PA0
PA3
PA1 10
11 PA2
Figure 3. 20-Pin DIP/SOIC Pin Assignments
STANDARD Mode
Pin #
1, 2
3–8
9–12
13–14
15
16
17
18
19, 20
Symbol
PA X(6,7)
PB X(0–5)
PA X(0–3)
PB X (6–7)
V _cc
XTAL (1)
GND
XTAL (2)
PA X(4,5)
Table 1. 20-Pin DIP/SOIC Pin Identification
Function
Digital I/O + I SINK
Digital I/O +Comparators
Digital I/O
Digital I/O + Communications
Power
Clock
Power
Clock
Digital I/O + I SINK
Zilog
Direction
Bidirectional
Bidirectional
Bidirectional
Bidirectional
Bidirectional
4
PRELIMINARY
DS97KEY2005