Z8E001 Datasheet, PDF (6/49 Pages) Zilog, Inc. – CMOS OTP Microcontroller

Z8E001
CMOS OTP Microcontroller
PIN DESCRIPTION (Continued)
PB1
PB2
PB3
PB4
/RESET
NC
PA7
PA6
PA5
PA4
1
20
SSOP 20 - Pin
10
11
PBO
XTAL1
XTAL2
VSS
VCC
NC
PA0
PA1
PA2
PA3
Figure 5. 20-Pin SSOP Pin Identification
Standard Mode
Pin #
1–4
5
6
7-10
11-14
15
16
17
18
19
20
Symbol
PB1–PB4
/RESET
NC
PA7-PA4
PA3-PA0
NC
V_CC
V_SS
XTAL2
XTAL1
PB0
Table 3. 20-Pin SSOP Pin Assignments
Function
Port B, Pins 1,2,3,4
Reset
No Connection
Port A, Pins 7,6,5,4
Port A, Pins 3,2,1,0
No Connection
Power Supply
Ground
Crystal Osc. Clock
Crystal Osc. Clock
Port B, Pin 0
Direction
In/Output
Input
In/Output
In/Output
Output
Input
In/Output
Zilog
6
PRELIMINARY
DS97Z8X1300