PRELIMINARY DATA SHEET
VDP 31xxB
Pin No.
Pin Name
Type
Connection
(if not used)
Short Description
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
BIN
IN
GND
GND
GND
GND
GND
GND
LV
Analog Blue Input
Fast Blank Input
O
O
O
O
O
O
FBLIN
RIN2
IN
IN
Analog Red Input 2
Analog Green Input 2
Analog Blue Input 2
Fast Blank Input 2
GIN2
IN
BIN2
IN
FBLIN2
CLK20
HOUT
XTAL1
XTAL2
VSTBY
CLK5
IN
OUT
OUT
IN
20 MHz System Clock Output
Horizontal Drive Output
Analog Crystal Input
X
X
OUT
X
Analog Crystal Output
X
Standby Supply Voltage
5 MHz Clock Output
OUT
LV
GND
X
Ground, Analog Front-end
Signal Ground for Analog Input
Reference Voltage Top, Video ADC
Supply Voltage, Analog Front-end
Analog Video Output
F
ISGND
VRT
IN
IN
GND
X
F
VSUP
X
F
VOUT
CIN
OUT
IN
LV
VRT
VRT
VRT
VRT
VRT
Analog Chroma Input
VIN1
VIN2
VIN3
VIN4
IN
Analog Video 1 Input
IN
Analog Video 2 Input
IN
Analog Video 3 Input
IN
Analog Video 4 Input
4.3. Pin Descriptions
2
Pin 1 – Test Input, TEST (Fig. 4–3)
This pin enables factory test modes. For normal opera-
tion it must be connected to ground.
Pin 4 – I C Bus Data, SDA (Fig. 4–12)
2
This pin connects to the I C bus data line.
Pin 5 – Ground (Digital Shield), DSGND
Pin 2 – Reset Input, RESQ (Fig. 4–3)
A low level on this pin resets the VDP 31xxB.
Pin 6, 7, 20–24 – IO Port Expander, PORT[6:0] (Fig.
4–13)
ThesepinsprovideanI CprogrammableI/Oport, which
2
2
Pin 3 – I C Bus Clock, SCL (Fig. 4–12)
2
This pin connects to the I C bus clock line.
can be used to read and write slow external signals.
Micronas
49
MICRONAS [ MICRONAS ]
