Marq QD01, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
保证
RX_ER
始终为
0
MCU_OSC_IN
MCU_OSC_OUT
DMX-
DMX+
T_RXD
RXD
RDE
TXD
T_DMX-
T_DMX+
MCU_OSC_OUT
MCU_OSC_IN
MCU_BOOT0
MCU_RESET
MCU_SW DIO
MCU_SW CLK
RXD
TXD
T_LCD_LIGHT
LCD_VL
LCD_RS
LCD_RW
LCD_EN
LCD_DB0
LCD_DB1
LCD_DB2
LCD_DB3
LCD_DB4
LCD_DB5
LCD_DB6
LCD_DB7
LCD_LIGHT
LED0
KEY0
KEY1
KEY2
KEY3
SD_W P
T_SD_CD
T_SD_CLK
T_SD_DI
T_SD_DO
T_SD_DI
T_SD_DO
T_SD_CS
T_SD_CLK
T_SD_CS
SD_CLK
SD_DO
SD_DI
SD_CS
MCU_RESET
O_LED_DAT6
O_LED_DAT5
O_LED_DAT4 LED_DAT6
LED_DAT5
LED_DAT4
LED_DAT3
LED_DAT2
LED_DAT1
LED_DAT0
LED_DAT7 T_LED_DAT6
T_LED_DAT5
T_LED_DAT4
T_LED_DAT3
T_LED_DAT2
T_LED_DAT1
T_LED_DAT0
T_LED_DAT7
O_LED_DAT3
O_LED_DAT2
O_LED_DAT1
O_LED_DAT0
O_LED_DAT7
PHY_RST
LCD_DB3
LCD_DB4
LCD_DB5
LCD_DB6
LCD_DB7
LCD_LIGHT
T_KEY2
T_KEY1
T_KEY0
SD_DI
SD_CS
SD_DO
SD_CLK
T_KEY3
KEY0
KEY2
KEY1
KEY3
T_KEY1
T_KEY3
T_KEY0
T_KEY2
MCU_SW DIO
MCU_SW CLK
PHY_IRQ
LED0
LCD_EN
LCD_DB0
LCD_DB1
LCD_DB2
PHY_MODE
LED_DAT2
LED_DAT3
LED_DAT4
LED_DAT5
LED_DAT6
LED_DAT7
LED_DAT0
LED_DAT1
LCD_RS
LCD_VL
LCD_RW
RDE
VCC_3V3
VCC_3V3 VCCA
VIN
VIN
VCC_3V3
VCCA
VIN
VIN
VCC_3V3
VCC_3V3
VCC_3V3
VIN
VCC_3V3
PHY_RST 4
O_LED_DAT[7:0] 5
T_DMX-
5
T_DMX+ 5
PHY_IRQ
4
PHY_MODE 4
Title:
Rev:
Modified:
Sheet: of
Document:
Broadcom Corporation : Proprietary and Confidential
Size:
LM501
3 5
Monday, March 09, 2015
LM501 Schematic
Title:
Rev:
Modified:
Sheet: of
Document:
Broadcom Corporation : Proprietary and Confidential
Size:
LM501
3 5
Monday, March 09, 2015
LM501 Schematic
Title:
Rev:
Modified:
Sheet: of
Document:
Broadcom Corporation : Proprietary and Confidential
Size:
LM501
3 5
Monday, March 09, 2015
LM501 Schematic
U1A
2
2
3
3
4
4
8
8
10
10
11
11
14
14
17
17
20
20
21
21
22
22
26
26
27
27
29
29
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
51
51
52
52
53
53
54
54
58
58
59
59
61
61
62
62
57
57
50
50
55
55
56
56
28
28
R
3
1
R12
C11 C10
R
2
9
C7
R18
S1
1
2
3
4
RN1
1
2
3
4
5
6
7
8
R11
C1
D3
R20
R1
E
C
B Q1
R15
FB1
U5
20
20
10
10
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
18
18
17
17
16
16
15
15
14
14
13
13
12
12
11
11
19
19
1
1
R13
S3
1
2
3
4
R25
R23
C5
R16
R
2
8
C9
U1C
1
1
5
5
6
6
7
7
12
12
13
13
18
18
19
19
31
31
32
32
46
46
47
47
48
48
49
49
60
60
63
63
64
64
U4
1
1
2
2
3
3
4
4
8
8
7
7
6
6
5
5
R
2
7
R
2
6
C4
R
3
2
R19
C12
J3
Sdcard Socket
11
11
10
10
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
9
9
13
13
12
12
14
14
15
15
16
16
17
17
R
2
J2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
S2
1
2
3
4
C13
Y1
R33
R24
D1
1
2
R22
R
3
4
S4
1
2
3
4
R9
R21
C2
RN2
1
2
3
4
5
6
7
8
R
3
0
C8
J1
1
2
3
4
D2