Z86L825 Datasheet, PDF (12/79 Pages) Zilog, Inc. – 20-Pin Low-Voltage IR Microcontrollers

Z86L825/826/827
20-Pin Low-Voltage IR Microcontrollers
5
Pin Description
The pin assignment for the 20-pin dual in-line package (DIP)/small outline inte-
grated circuit (SOIC)/shrink small outline package (SSOP) is shown in Figure 3.
The pins are identified in Table 3.
P25
P26
P27
P07
V_DD
XTAL2
XTAL1
P31
P32
P33
1
20
2
19
3
18
4 _{X86L825/826/82717}
5 DIP/SOIC/SSOP 16
6
15
7
14
8
13
9
12
10
11
P24
P23
P22
P21
P20
V_SS
P01
P00/Pref1
P36
P34
Figure 3. 20-Pin DIP/SOIC/SSOP Pin Assignment
Table 3. 20-Pin DIP, SOIC, and SSOP Pin Identification
20-Pin DIP/SOIC/SSOP Standard Mode Direction
1
P25
Input/Output
2
P26
Input/Output
3
P27
Input/Output
4
P07
Input/Output
5
V_DD
6
XTAL2
Output
7
XTAL1
Input
8
P31
Input
9
P32
Input
10
P33
Input
11
P34
Output
12
P36
Output
13
P00
Input/Output
14
P01
Input/Output
15
V_SS
16
P20
Input/Output
Description
P20-27 are bit configurable as input or output.
P20-27 are bit configurable as input or output.
P20-27 are bit configurable as input or output.
Port 07 is configurable as input or output
Power Supply
Crystal, Oscillator Clock
Crystal, Oscillator Clock
IRQ2/Modulator input
IRQ0
IRQ1
T8 output
T8/T16 output
Port 00,01 are configurable as input or output
Port 00,01 are configurable as input or output
Ground
P20-27 are bit configurable as input or output.
PS008808-1203
PRELIMINARY