Z86C15 Datasheet, PDF (4/10 Pages) Zilog, Inc. – CMOS Z8 8-BIT MCU KEYBOARDCONTROLLER

PIN IDENTIFICATION (Continued)
Z86C15
CP96KEY0603
6 5 4 3 2 1 44 43 42 41 40
/RESET
7
AGND
8
*N/C 9
/WDTOUT 10
P35 11
GND 12
P32 13
P00 14
P01 15
P02 16
N/C ₁₇
Z86C15
PLCC
39 N/C
38 P24
37 P23
36 P22
35 P21
34 P20
33 P33
32 P34
31 P17
30 P16
29 P15
18 19 20 21 22 23 24 25 26 27 28
*Note: Pin 9 is connected to the chip, although it is used
only for testing. This pin must float.
44-Pin PLCC Pin Assignments
44-Pin PLCC Pin Identification
Pin # Symbol Function
Direction Pin # Symbol Function
Direction
1
V_CC
Power Supply
2
CLKOUT Z8 System Clock
Input
Output
14-16 P00-P02 Port 0, Pins 0, 1, 2
17
N/C
Not Connected
In/Output
3
RCIN RC Oscillator Clock
Input
18-22 P03-P07 Port 0, Pins 3, 4, 5, 6, 7 In/Output
4
P37
Port 3, Pin 7
Output
23-27 P10-P14 Port 1, Pins 0, 1, 2, 3, 4 In/Output
5
P30
Port 3, Pin 0
6
N/C
Not Connected
7
/RESET Reset
8
AGND Analog Ground
Input
Input
28
29-31
32
33
N/C
P15-P17
P34
P33
Not Connected
Port 1, Pins 5, 6, 7
Port 3, Pin 4
Port 3, Pin 3
In/Output
Output
Input
*9
N/C
Not Connected
10
/WDTOUT Watch-Dog Timer
11
P35
Port 3, Pin 5
12
GND
Ground
13
P32
Port 3, Pin 2
Output
Output
Input
34-38
39
40-42
43
44
P20-P24
N/C
P25-P27
P31
P36
Port 2, Pins 0, 1, 2, 3, 4
Not Connected
Port 2, Pins 5, 6, 7
Port 3, Pin 1
Port 3, Pin 6
In/Output
In/Output
Input
Output
4