3-120
Pin description
Pin No.
Pin Name
Type
Description
1
DGND
-
-
-
Digital GND
2
PULLUP
-
-
-
Pull-up resistance connecting port.[5V or 3.3V]
3
DASO
5V_tolerant
I/O
Pull-up
Drive active slave presesnt signal.[open/drain]
4
HCS1
5V_tolerant
I
-
Host interface chip, pull-up selection input.
5
HCS0
5V_tolerant
I
-
Host interface chip, pull-up selection input.
6
HDA2
5V_tolerant
I
-
Host interface chip, address signal input.
7
HDAO
5V_tolerant
I
-
Host interface chip, address signal input.
8
PDIAG
5V_tolerant
I/O
Pull-up
Diagnostic signal [open/drain]
9
HDA1
5V_tolerant
I
-
Host interface chip, address signal input.
10
HIOCS16
5V_tolerant
I
Pull-up
16 bit I/O signal [open/drain]. When Ultra DMA burst, this is 3 state
port.
11
HINTRQ
5V_tolerant
O
Pull-up
Host interrupt signal output.
12
DVDD33
-
-
-
Digital power[3.3V]
13
DGND
-
-
-
Digital GND
14
HDMACK
5V_tolerant
I/O
-
DMA acknowledge signal.
15
IORDY
5V_tolerant
I
Pull-up
I/O Channel ready[open/drain]. When Ultra DMA burst, this is
DDMARDY: DSTROBE signal.
16
DIOR
5V_tolerant
I/O
-
Host interface read input signal. When Ultra DMA burst, this is
HDMARDY: HSTROBE signal.
17
DIOW
5V_tolerant
I/O
-
Host interface write input signal. When Ultra DMA burst, this is STOP
signal.
18
HDMARQ
5V_tolerant
O
Pull-up
DMA request signal output.
19
DVDD25
-
-
-
Digital power[2.5V]
20
HDD15
5V_tolerant
I/O
Pull-up
Host interface data bus.[within slave resistance]
HDD8
21
HDD0
5V_tolerant
O
Pull-up
Host interface data bus.[within slave resistance]
HDD6
22
HDD14
5V_tolerant
I/O
Pull-up
Host interface data bus.[within slave resistance]
HDD9
23
HDD1
5V_tolerant
I/O
Pull-up
Host interface data bus.[within slave resistance]
24
DVDD33
-
-
-
Digital power[3.3V]
25
DGND
-
-
-
Digital GND
26
HDD13
5V_tolerant
I/O
Pull-up
Host interface data bus.[within slave resistance]
HDD10
27
HDD2
5V_tolerant
I/O
Pull-up
Host interface data bus.[within slave resistance]
HDD4
Summary of Contents for LGXBR342
Page 10: ...OVERALL WIRING DIAGRAM 3 2 ...
Page 36: ...3 36 3 37 EE MODE VIDEO TU MODE AUDIO 2 TU IF CIRCUIT DIAGRAM ...
Page 38: ...3 40 3 41 4 JACK CIRCUIT DIAGRAM ...
Page 44: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD ...
Page 45: ...3 54 3 55 3 TIMER P C BOARD 2 POWER P C BOARD ...
Page 46: ...3 56 3 57 4 KEY P C BOARD 5 JACK P C BOARD ...
Page 47: ......
Page 60: ...3 70 3 71 CIRCUIT DIAGRAMS 1 E5_BGA POWER UART2 CIRCUIT DIAGRAM ...
Page 61: ...3 72 3 73 2 DDR_SDRAM FLASH CIRCUIT DIAGRAM ...
Page 62: ...3 74 3 75 3 RST CONTROL STATUS_REG ATAPI HOST_CPLD LATCH CIRCUIT DIAGRAM ...
Page 63: ...3 76 3 77 4 1394 ETHERNET_CONNECTOR CIRCUIT DIAGRAM ...
Page 64: ...3 78 3 79 5 VIDEO_IN OUT CIRCUIT DIAGRAM ...
Page 65: ...3 80 3 81 6 AUDIO IN OUT NON STD_VIDEO CIRCUIT DIAGRAM ...
Page 66: ...3 82 3 83 7 AUDIO DAC VIDEO_Y MIXER CIRCUIT DIAGRAM ...
Page 67: ...8 FRONT A V 1934 JACK CIRCUIT DIAGRAM 3 84 3 85 ...
Page 72: ...3 94 3 95 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Page 73: ...3 96 3 97 2 MAIN P C BOARD BOTTOM VIEW ...
Page 103: ...3 127 4 IC302 uPD76f0047 MICOM Pin Assignment ...
Page 125: ......
Page 127: ...3 151 3 152 2 DSP CIRCUIT DIAGRAM No Power No operation DSP IC RESET IC SDRAM R259 0Ω ...
Page 129: ...3 155 3 156 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Page 152: ...MAINTENANCE INSPECTION PROCEDURE 4 22 GEAR F R GEAR AY P2 P3 F R Lever Tension Base Boss CAM ...
Page 161: ...MEMO ...
Page 163: ......