Z86L82 Datasheet, PDF (11/78 Pages) Maxim Integrated Products – 28-Pin Low-Voltage IR Microcontrollers

Z86L82/Z86L85
28-Pin Low-Voltage IR Microcontrollers
5
Pin Description
The pin assignment for the 28-pin dual in-line package (DIP)/small outline inte-
grated circuit (SOIC) is shown in Figure 3. The pins are identified in Table 3.
P25 1
28 P24
P26
P23
P27
P22
P04
P21
P05
P20
P06
Z86L82/85
P03
P07
DIP/SOIC
V_SS
V_DD
P02
XTAL2
P01
XTAL1
P00
P31
Pref1
P32
P36
P33
P34 ¹⁴
P37
15 _P35
Figure 3. 28-Pin DIP/SOIC Pin Assignment
Table 3. 28-Pin DIP and SOIC Pin Identification
28-Pin DIP and SOIC Standard Mode
19
P00
20
P01
21
P02
23
P03
4
P04
5
P05
6
P06
7
P07
24
P20
25
P21
26
P22
27
P23
28
P24
1
P25
2
P26
3
P27
18
Pref1
Direction
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Description
Port 0 is nibble programmable.
Port 0–3 can be configured as a
mouse/trackball input.
Port 2 pins are individually
configurable as input or output.
Analog ref input; connect to V_CC if not used
19-4613; Rev 0; 4/09