Z86C15 Datasheet, PDF (5/10 Pages) Zilog, Inc. – CMOS Z8 8-BIT MCU KEYBOARDCONTROLLER

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