Z89165 Datasheet, PDF (6/22 Pages) Zilog, Inc. – DTAD CONTROLLERS

ZILOG
PIN DESCRIPTION (Continued)
Z89165/166/167/168/169
DTAD CONTROLLERS
I/O Port
Functions
V_SS
V_CC
P00-P07
P10-P17
P20-P27
P31-P37
P40-P47
P50-P53
C_DIN
C_DOUT
C_CLOCK
C_ENA0
C_ENA1
PWM
DATA0
DATA1
DATA2
DATA3
ADDR0
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
ARAM_SEL0
ARAM_SEL1
/RAS
/CAS
ARAM_R/W
ARAM_/OE
XTAL1
XTAL2
/Reset
R/W
/AS
/DS
Pin Number
32, 54, 65
12, 44, 74, 45
43-36
55, 53-51, 49-46
2-9
57-63
77-84
70-67
76
75
73
72
71
56
26
27
28
29
13
14
15
16
17
18
19
20
21
22
23
24
25
30
31
34
33
11
10
35
50
64
1
Z89168 84-Pin PLCC Pin Identification
I/O
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Output
Output
Output
Output
Output
Input/Output
Input/Output
Input/Output
Input/Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Input
Output
Input
Output
Output
Output
Function
Digital Ground
Digital VCC = +5 V
P00-P07 (General-purpose nibble programmable I/O port.)
P10-P17 (General-purpose byte programmable I/O port.)
P20-P27 (General-purpose bit programmable I/O.)
P31-P37 (General-purpose I/O port. Bits P31-P33 are inputs, while
bits P34-P37 are outputs.)
P40-P47 (General-purpose bit programmable I/O.)
P50-P53 (General-purpose bit programmable I/O.)
Data input from CODEC.
Data output to CODEC.
CODEC clock (2.048 MHz)
CODEC 0 enable (8 kHz)
CODEC 1 enable (8 kHz)
Pulse Width Modulator output
Data 0 I/O of the ARAM Interface
Data 1 I/O of the ARAM Interface
Data 2 I/O of the ARAM Interface
Data 3 I/O of the ARAM Interface
Address 0 line of the ARAM Interface
Address 1 line of the ARAM Interface
Address 2 line of the ARAM Interface
Address 3 line of the ARAM Interface
Address 4 line of the ARAM Interface
Address 5 line of the ARAM Interface
Address 6 line of the ARAM Interface
Address 7 line of the ARAM Interface
Address 8 line of the ARAM Interface
Address 9 line of the ARAM Interface
Address 10 line of the ARAM Interface for 4 Meg ARAMs. Select 2
output of ARAM Interface for 1 Meg ARAMs support. The latter
mode is used to switch between different pages of ARAM.
Select 0 output of ARAM Interface. Used to switch between
different pages of ARAM.
Select 1 output of ARAM Interface. Used to switch between
different pages of ARAM.
Row Address Strobe of ARAM Interface.
Column Address Strobe of ARAM Interface.
Read/Write Strobe of ARAM Interface.
Output Enable Strobe of ARAM Interface.
24.57 MHz crystal input
24.57 MHz crystal output
/RESET input
Z8^® external memory interface R/W output
Z8 external memory interface /AS output
Z8 external memory interface /DS output
6
CP96TAD0103