
TMC2192
PRODUCT SPECIFICATION
6
P
ANALOG INTERFACE – Support (9 pins)
C
BYPLUMA
11
0.1 
m
F
Reference Bypass Capacitor for LUMA DAC.
 Connection 
point for 0.1 
m
F Capacitor.
Reference Bypass Capacitor for CHROMA DAC.
 Connection 
point for 0.1 
m
F Capacitor.
Reference Bypass Capacitor for COMPOSITE DAC.
Connection point for 0.1 
m
F 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.
C
BYPCHROM
6
0.1 
m
F
C
BYPCOMP
3
0.1 
m
F
R
REFLUMA
13
1210 Ohm
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]
61, 62
TTL
When SER (HIGH), OLUT/control/pointer address.
When SER (LOW), SA[1:0] of serial chip address SA[6:0].
When SER (HIGH), microprocessor port clock.
When SER (LOW), serial bus clock.
Bi-directional Data Bus.
When SER (HIGH), read/write control.
When SER (LOW), serial bus bi-directional data.
Microprocessor Select.
 When LOW, the serial interface is 
enabled. When HIGH, the parallel interface is enabled.
CS/SCL
59
TTL/R-BUS
D[7:0]
RW/SDA
63–70
60
TTL
TTL/R-BUS
SER
58
TTL
POWER & GROUND (17 pins)
A
GND
4, 9, 14, 15, 18, 
19, 100
26, 40, 53, 71, 97
39, 54, 72, 96
1, 7, 12, 16, 17 
0.0V
Analog ground
D
GND
V
DD
V
DDA
0.0V
+5.0V
+5.0V
Digital ground
Digital positive power supply
Analog positive power supply
Pin Definitions 
(continued)
Pin Name
Pin Number
Value
Description