Z89314 Datasheet, PDF (4/8 Pages) Zilog, Inc. – DIGITAL TELEVISION CONTROLLER

PIN DESCRIPTION (Continued)
Z89314/318
Pin
Name
V_CC
GND
IRIN
ADC[5:0]
Function
+5 V
0V
Infrared Remote Capture Input
4-Bit Analog to Digital Converter
Input
PWM[8:1]^a
Port0[F:0]^b
8-Bit Pulse Width Modulator
Output
Bit Programmable Input/Output Ports
Port1[9:0]^a Bit Programmable Input/Output Ports
XTAL1
XTAL2
LPF
Crystal Oscillator Input
Crystal Oscillator Output
Loop Filter
HSYNC
VSYNC
H_Sync
V_Sync
/RESET
V[3:1]
Blank
Half Blank
SCLK^e
Device Reset
OSD Video Output
(Typically Drive B, G, and R Outputs)
OSD Blank Output
OSD Half Blank Output
Internal Processor SCLK
Notes:
a) PWM [8,7] is not available on the 40-pin DIP version.
b) Port0 [F:A] is not available on the 40-pin DIP version.
c) Port19 is not available on the 40-pin DIP version.
d) Half Blank output is a function shared with Port0F.
Half Blank output is not available on the 40-pin DIP version.
e) Internal processor SCLK is shared with Port16.
Z89314/318
CPS95TV0403
Z89314
40-Pin
29,–
31,–
2
–,–,–,4,27,34
Configuration
Direction
Reset
PWR
–
PWR
–
I
I
AI
I
–,–,40,39,38
OD
O
37,36,35
–,–,–,–,–,–,
B
I
13,12,11
10,9,8,7,6,5,4
–,3,27,20,
B
I
19,18,17,
16,15,14
30
AI
I
32
AO
O
33
AB
O
21
B
I
22
B
I
28
23,24,25
26
N/A
20
I
I
O
O
O
O
O
O
4