Norcent LT3290 Service Manual page 36

32'' LCD TV
11 RXD_IN
U401E
Super I/O
L4 IRR
IRR IRR
N1 UART0TX
UART0TX
P1 UART0RX
UART0RX
L3 UART1TX
UART1TX
M1 UART1RX
UART1RX
H2
TPBIAS0
G2
TPA0_N
F1
TPA0
G1
TPB0_N
H3
TPB0
J4
TPBIAS1
J1
TPA1_N
H1
TPA1
J3
TPB1_N
J2
TPB1
G3 R413
1394_RSET
R1 I2C0CLK
I2C0CLK I2C0CLK
P2 I2C0DATA
I2C0DAT I2C0DATA 2,12
M3 I2C1CLK
I2C1CLK I2C1CLK
M2 I2C1DATA
I2C1DAT I2C1DATA 9,15
K5 TRSTN
TRSTN
K2 TDI
TDI
K4 TDO
TDO
K3 TMS
TMS
L1 TCK
TCLK
K1 TAPSEL
TAPSEL
W4 GPIO0
GPIO0
V5 GPIO1
GPIO1
U6 GPIO2
GPIO2
Y 4 GPIO3
GPIO3
N5 RESETN
RESETN
M4
CLKIN
X401
N3 R4S2
CLKOUT
100 1/10W 1 2
C4F3
22pF 24.576MHz
ZR39660BGCG
VCC3V3_G9 VCC3V3_G9 VCC3V3_G9
R430 R434
4.7K 1/10W 4.7K 1/10W
TAPSEL GPIO3 GPIO2
CN406 R445
NC/ 1K
"1110" - Boot from 8-bit NOR Flash
U408
UART0TX 11 14
T1IN T1OUT
UART1TX 10 7
T2IN T2OUT
RXD_IN 13 12
R1IN R1OUT
RXD_OUT1 8 9
R2IN R2OUT
1
C1+
C496 3
C1-
1uF 4
C2+
5
15 C2-
C495 2
V+
1uF 6
V-
HIN232CBZ-T
C498
1uF
D5V
+ C4J4
C4J3
0.1uF
10uF/16V
5.9K 1/10W
2,12
JTAG/EJTAG
9,15
CN411
1 2
3 4
R416 33 1/10W 5 6
7 8
9 10
PU1 11 12
PU2 13 14
NC/ E-JTAG 2X7
* Key Pin 12
RESETN 4,8,15
C4F4
22pF
VCC3V3_G9 VCC3V3_G9
R433 R432 R431
4.7K 1/10W 4.7K 1/10W NC/ 4.7K
GPIO1 GPIO0
R466 R443 R467
NC/ 1K NC/ 1K 1K 1/10W
TXD_OUT 11
TXD_OUT1
UART0RX
UART1RX
CN107
FB410 300 OHM 1
2
RXD_IN 3
FB411 300 OHM
C4K4 C4K5
10pF 10pF CONN
C497
1uF
CN402
TXD_OUT1 1
RXD_OUT1 2
3
NC/ 33G8009 3
VCC3V3_G9
JTAG_RSTN 15
VCC3V3_G9
PU1 R426 1K 1/10W
PU2 R427 1K 1/10W
TP402 TP401
VCC3V3_G9
I2C0CLK R428 4.7K 1/10W
I2C0DATA R429 4.7K 1/10W
TP420
D5V
TP419
I2C1CLK R438 4.7K 1/10W
I2C1DATA R440 4.7K 1/10W
SIO I/F
36
Norcent LT3290
VCC9A
NC
R4L8
CN410
VCC9A
1
2
3
RF_SEL R4L7 Q403
NC NC
NC/ 33L3802 3
TO RF SW
D5V
C4J5
D5V
R4H3 U419 NC/ PCA9554DH NC
NC
1 16
A0 VDD
2 15 I2C1DATA
A1 SDA
R4H8 3 14 I2C1CLK
A2 SCL
NC/ 0 1/16W
RF_SEL 4 13
I/O0 INT
R4H7 NC/ 0 1/16W 5 12
I/O1 I/O7
6 11
I/O2 I/O6
7 10
I/O3 I/O5
8 9
VSS I/O4
CHIP ID:42H
VCC3V3_G9
TDI R435 1K 1/10W
TDO R436 4.7K 1/10W
TMS R437 1K 1/10W
TCK R439 1K 1/10W
TRSTN R441 1K 1/10W
U412 R4P8
10K 1/10W
1 8
A0 VCC
2 7
A1 WP
3 6 I2C0CLK
A2 SCL
4 5 I2C0DATA
GND SDA
M24C32-WMN6TP
I2C :
0xA0-0xAE
Title
Page 06 - GPIO I/F
Size Document Number
B
T1961-F-X-X-1-070118
Date: Thursday , January 18, 2007 Sheet
D5V
R4H4
NC
VCC3V3_G9
C456
EEPROM_WP 3
0.1uF
Rev
F
6 of 19