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DS12887 (XV618A00) Real Time Clock
PIN
NAME
I/O
NO.
1
MOT
I
Bus type selection
2
N.C
-
3
N.C
-
4
AD0
I/O
5
AD1
I/O
6
AD2
I/O
7
AD3
I/O
Multiplexed address / Data bus
8
AD4
I/O
9
AD5
I/O
10
AD6
I/O
11
AD7
I/O
12
GND
-
Ground
ICS2008A (XV619A00) T.C. Reader/Generator
PIN
NAME
I/O
NO.
1
INTR
O
Interrupt request
2
RESET
I
Master reset
3
FRAME
I
Color frame A / B input
4
CLICK
I
LTC SYNC input
5
LTCIN-
I
SMPTE LTC input -
6
LTCIN+
I
SMPTE LTC input +
7
LTCOUT
O
SMPTE LTC output
8
LFC
I
External RC circuit
9
XTAL2
O
14.318 MHz crystal oscillator
10
XTAL1
I
14.318 MHz crystal oscillator
11
AVDD
-
Analog power supply
12
AVSS
-
Analog ground
13
COUT
O
C(Chroma) output
14
YOUT
O
Y(Luma) output
15
C2
I
C(Chroma) input
16
Y2
I
Y(Luma) input
17
C1
I
C(Chroma) input
18
Y1
I
Y(Luma) input
19
STHRESH
I
SYNC threshold bypass input
20
CTHRESH
I
Clamp threshold bypass input
21
DTHRESH
I
Data threshold bypass input
22
RXD
I
UART receive data
FUNCTION
FUNCTION
PIN
NAME
I/O
NO.
13
/CS
I
Chip select
14
AS
I
Address strobe
15
R//W
I
Read / Write
16
N.C
-
17
DS
I
Data strobe
18
/RESET
I
Reset
19
/IRQ
O
Interrupt request
20
N.C
-
21
N.C
-
22
N.C
-
23
SQW
O
Square wave
24
VCC
-
Power supply +5 V
PIN
NAME
I/O
NO.
23
CTS
I
Clear to send
24
TXD
O
UART transmit data
25
RTS
O
Ready to send
26
LRCLK
O
SMPTE LTC receive clock
27
VITCGATE
O
VITE cord is for video overlay
28
VITCOUT
O
SMPTE VITE output
29
A0
I
Address bus
30
A1
I
Address bus
31
/SMPTECS
I
SMPTE port chip select
32
/UARTSC
I
UART chip select
33
/IOR
I
Read enable
34
VSS
-
Digital ground
35
VDD
-
Digital power supply
36
/IOW
I
Write enable
37
D0
I/O
38
D1
I/O
39
D2
I/O
40
D3
I/O
Data bus
41
D4
I/O
42
D5
I/O
43
D6
I/O
44
D7
I/O
D24
MAIN: IC127
FUNCTION
MAIN: IC137
FUNCTION
28
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