IBM39STB032xx
IBM39STB034xx
Preliminary
STB032xx and STB034xx Digital Set-Top Box Integrated Controllers
Signal Pins Sorted by Pin Number (Continued)
Grid (Pin)
Grid (Pin)
Position
Signal
Group
Signal
Group
Position
L21
L22
L23
M1
MUX0_5
MUX0_4
MUX0_3
Multiplexed I/O
Multiplexed I/O
Multiplexed I/O
DAC Analog PWR + GND
DAC Analog PWR + GND
Video and Graphics
Ground
T1
T2
DAC2_RREF_OUT
DAC2_AVDD3
DAC2_BOUT
GPIO_21
Video and Graphics
DAC Analog PWR + GND
Video and Graphics
General Purpose I/O
Multiplexed I/O
T3
DAC2_AVDD0
DAC2_AGND0
DAC2_ROUT
GND
T4
M2
T20
T21
T22
T23
U1
MUX3_3
M3
MUX3_5
Multiplexed I/O
M4
MUX3_6
Multiplexed I/O
M20
M21
M22
GND
Ground
MUX3_4
Multiplexed I/O
MUX0_7
Multiplexed I/O
Multiplexed I/O
DAC2_AGND2
DAC2_BREF_OUT
DAC Analog PWR + GND
Video and Graphics
MUX0_12
U2
Inter-Integrated Circuit
(IIC)
M23
N1
MUX0_13
Multiplexed I/O
U3
U4
I2C0_SDA
I2C0_SCL
Inter-Integrated Circuit
(IIC)
DAC2_GREF_OUT
Video and Graphics
N2
N3
GPIO_26
General Purpose I/O
Video and Graphics
DAC Analog PWR + GND
Multiplexed I/O
U20
U21
U22
U23
V1
CI_CLOCK
MUX3_1
Channel Interface
Multiplexed I/O
Multiplexed I/O
Multiplexed I/O
Audio
DAC2_GOUT
DAC2_AVDD1
MUX0_8
N4
MUX3_2
N20
N21
MUX3_0
GPIO_1
General Purpose I/O
DA_BIT_CLOCK
DA_OVERSAMPLING_CLO
CK
N22
AUD_VDDA0
PLL Analog PWR + GND
V2
Audio
N23
P1
GPIO_0
General Purpose I/O
General Purpose I/O
General Purpose I/O
DAC Analog PWR + GND
DAC Analog PWR + GND
Multiplexed I/O
V3
V4
DA_LR_CHANNEL_CLOCK Audio
GPIO_25
GPIO_24
DAC2_AGND1
DAC2_AVDD2
MUX3_10
MUX0_9
DA_SERIAL_DATA0
CI_DATA5
Audio
P2
V20
V21
V22
V23
W1
W2
W3
W4
W20
W21
W22
W23
Y1
Channel Interface
Channel Interface
Channel Interface
Channel Interface
Audio
P3
CI_DATA7 (LSB)
CI_DATA_ENABLE
CI_DATA6
P4
P20
P21
P22
P23
R1
Multiplexed I/O
DA_IEC_958
MUX1_1
MUX0_10
MUX0_11
GPIO_23
GPIO_22
DAC2_VREF_IN
VDD33
Multiplexed I/O
Multiplexed I/O
Multiplexed I/O
2.5 V Power
Multiplexed I/O
MUX1_2
General Purpose I/O
General Purpose I/O
Video and Graphics
3.3 V Power
VDD25
R2
VDD25
2.5 V Power
R3
CI_DATA3
Channel Interface
Channel Interface
Channel Interface
Multiplexed I/O
Direct Memory Access
2.5 V Power
R4
CI_DATA4
R20
R21
R22
R23
VDD33
3.3 V Power
CI_DATA2
MUX3_8
Multiplexed I/O
MUX1_0
MUX3_9
Multiplexed I/O
Y2
EDMAC3_ACK/IDE_ACK
VDD25
MUX3_7
Multiplexed I/O
Y3
STB03_sds_041800.fm.01
April 18, 2000
Pin and I/O Information
Page 25 of 55
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