TMC2192
PRODUCT SPECIFICATION
Pin Definitions
(continued)
Pin Name
C
BYPLUMA
C
BYPCHROM
C
BYPCOMP
R
REFLUMA
Pin Number
11
6
3
13
Value
0.1
µF
0.1
µF
0.1
µF
1210 Ohm
Description
Reference Bypass Capacitor for LUMA DAC.
Connection
point for 0.1
µF
Capacitor.
Reference Bypass Capacitor for CHROMA DAC.
Connection
point for 0.1
µF
Capacitor.
Reference Bypass Capacitor for COMPOSITE DAC.
Connection point for 0.1
µF
Capacitor.
Current Setting Resistor.
Connection point for external current
setting resistor for LUMA DAC. The resistor is connected
between R
REFLUMA
and GND. Output video levels are
inversely proportional to the value of R
REF2
.
Current Setting Resistor.
Connection point for external current
setting resistor for CHROMA DAC. The resistor is connected
between R
REFCHROM
and GND. Output video levels are
inversely proportional to the value of R
REFCHROM
.
Current Setting Resistor.
Connection point for external current
setting resistor for COMPOSITE DAC. The resistor is connected
between R
REFCOMP
and GND. Output video levels are
inversely proportional to the value of R
REFCOMP
.
Voltage Reference Input.
External voltage reference input,
internal voltage reference output, nominally 1.235V.
When SER (HIGH), OLUT/control/pointer address.
When SER (LOW), SA[1:0] of serial chip address SA[6:0].
ANALOG INTERFACE – Support (9 pins)
R
REFCHROM
8
1210 Ohm
R
REFCOMP
99
1210 Ohm
V
REF
98
1.235 V
MPU INTERFACE (13 pins)
A[1:0]/S
A
[1:0]
CS/SCL
D[7:0]
RW/SDA
SER
61, 62
59
63–70
60
58
TTL
TTL/R-BUS When SER (HIGH), microprocessor port clock.
When SER (LOW), serial bus clock.
TTL
Bi-directional Data Bus.
TTL/R-BUS When SER (HIGH), read/write control.
When SER (LOW), serial bus bi-directional data.
TTL
Microprocessor Select.
When LOW, the serial interface is
enabled. When HIGH, the parallel interface is enabled.
Analog ground
Digital ground
Digital positive power supply
Analog positive power supply
POWER & GROUND (17 pins)
A
GND
D
GND
V
DD
V
DDA
4, 9, 14, 15, 18,
19, 100
26, 40, 53, 71, 97
39, 54, 72, 96
1, 7, 12, 16, 17
0.0V
0.0V
+5.0V
+5.0V
6
REV. 1.0.0 8/13/03
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
