Lenovo LXM-L19BH
Page 19 of 44
+3.3V_DVDD
C422
0.1uF
..7
]
OSC_SEL
C429
0.1uF
C406
0.1uF
LV_E0
PWM1/GPIO12/VOLUME
GPIO9/SCL
RMADDR14
C431
0.1uF
VGA_PLUG
{3}
LV_O1
0
RMADDR2
DEV_ADDR(0:6}
C440
0.1uF
PWM1/GPIO12/VOLUME {6}
AUDIO_STBY_MUTE
RMADDR17
R417
10K 1/16W
+1.8V_DVDD
RMADDR3
R436
NC
Close to respective power Pins
ROM_ADDR8
LV_E2
C430
0.1uF
R425 is the switch for using SPI ROM or external Flash ROM.
If you want to use SPI ROM, Please install R425
If you want to use external flash ROM, please use default.
+
C401
22uF/16V
R419
NC
3.3V_AVDD
GND
LV_O7
C423
0.1uF
NC
+
C427
22uF/16V
DDCHANSEL
+5V
LV_E8
RMDATA0
VCLK
{5}
Close to respective power Pins
ROM_ADDR(10:11)
AVDD_1.8
0
CVDD_1.8
LBADC_IN2
ROM_ADDR(0:6)
C441
0.1uF
C410
0.1uF
+
C421
22uF/16V
1
LV_O4
GPIO0
FB405
600 OHM
C413
0.1uF
0
VBI_INTR
{5}
GND
GND
LV_O2
SET
0 = Internal ROM on at top of 1M in X86 address
3.3V_LBAD
C425
0.1uF
0 = Crystal
OCM_USES_TCLK
LBADC_IN1
PPWR
{5,7}
SKIPXROMBOOT
0 = Check for signature in external ROM
3.3V_LVDS
WP
GPIO10/SDA
IR
{7}
LV_O5
C404
0.1uF
+
C436
22uF/16V
C408
0.1uF
C424
0.1uF
0
LV_E7
R420
10K 1/16W
FORCEXROM
NAME
GND
GPIO7/IRQin
C439
0.1uF
C442
0.1uF
RMADDR1
R437
10K 1/16W
PBIAS
RMDATA3
3.3V_AVDD
R415
0
1/
16W
LV_E[0..9] {7}
ROM_ADDR(13:14)
ADDRESS
VBI_INTR
FB406
600 OHM
ROM_ADDR7
TCLKSEL(0:1)
R438
NC
RMADDR0
RMADDR15
C409
0.1uF
The device address for serial host interface
LV_O9
C407
0.1uF
IR
DVI_PLUG
R439
NC
U404
M24C16-MN6T
1
2
3
4
5
6
7
8
A0
A1
A2
VSS
SI
SCK
WP
VCC
00
ROM_ADDR16
ROM_ADDR15
RMDATA2
GND
Route LBADC_IN1 & LBADC_RET as
differential tracks, close to each other.
And ground the return track very close to
the gm5221 and ground pin.
LBADC_IN2
{7}
0
+3.3V_DVDD
LV_E4
FB401
600 OHM
AUDIO_STBY_MUTE
{6}
0 = OCM_CLK = FCLK; baud rate is 115200
R421
10K 1/16W
GND
RMADDR4
C437
0.1uF
00
TMDS_1.8
GPIO1
PBIAS
{7}
Close to respective power Pins
TMDS_1.8
LV_E9
RMDATA1
RMADDR16
32-Pin PLCC Socket
PPWR
R418
100 1/16W
GPIO[0..6] {7}
LV_E5
C438
0.1uF
DDC_WP
{3}
3.3V_DVDD
OCM_ROM
+3.3V_DVDD
GND
LV_O3
LV_E3
ROM_ADDR17
LV_E1
RMDATA4
3.3V_LVDS
U401
98
99
100
101
35
36
92
93
69
50
73
190
205
166
9
41
75
96
116
67
68
121
126
26
24
137
11
164
8
42
51
74
76
94
97
140
180
163
165
48
47
87
86
66
65
33
34
62
59
61
60
58
57
63
64
46
45
44
43
38
37
55
56
32
31
30
29
22
21
49
18
17
16
15
14
13
19
20
167
70
135
27
95
191
206
139
179
81
82
83
84
85
88
89
90
91
10
105
157
158
159
160
161
162
173
174
175
176
GPIO11/PWM0
GPIO12/PWM1
GPIO13/PWM2
GPIO14/PWM3
CH1P_LV_O
CH1N_LV_O
HOST_SCL/UART_DI
HOST_SDA/UART_DO
GPIO9/NVRAM_SCL
GPIO10/NVRAM_SDA
GPIO15
3
3
3
3
8
CVDD_1.
8
CVDD_1.
8
CVDD_1.
8
CVDD_1.
8
8
PPWR
PBIAS
8
8
AVDD_LV_3.3
AVDD_LV_E_3.3
8
AVDD_LV_E_3.3
8
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
CRVSS
GND_ADC
GND_RPLL
RESERVED
RESERVED
CRVSS
CVDD_1.
8
JTAG_TDI
RESERVED
CH2P_LV_O
CH2N_LV_O
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
JTAG_TDO
RESERVED
RESERVED
RESERVED
RESERVED
CH0N_LV_O
CH0P_LV_O
RESERVED
JTAG_RESET
CLKN_LV_O
CLKP_LV_O
CH3N_LV_O
CH3P_LV_O
CH0N_LV_E
CH0P_LV_E
RESERVED
CH2N_LV_E
CH2P_LV_E
CLKN_LV_E
CLKP_LV_E
CH3N_LV_E
CH3P_LV_E
CH1P_LV_E
CH1N_LV_E
RESERVED
RESERVED
RESERVED
3
CRVSS
CRVSS
CVDD_1.
8
CVDD_1.
8
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
RESERVED
NC
NC
NC
NC
NC
NC
NC
NC
LBADC_IN1
LBADC_IN2
LBADC_IN3
LBADC_RETURN
LV_O8
3.3V_DVDD
PLL_1.8
RMADDR13
RMADDR6
DVI_PLUG
{3}
BOOTSTRAP SIGNALS / PARALLEL ROM
OP_MODE(0:1)
GND
DDC_WP
WP
C402
0.1uF
ROM_ADDR9
C414
0.1uF
+3.3V_DVDD
VGA_PLUG
C415
0.1uF
NC
16
13
14
15
12
11
10
9
8
7
6
17
18
19
1
GND
I/O0
I/O1
I/O2
A0
A1
A2
A3
A4
A5
A6
I/O3
I/O4
I/O5
NC
GPIO0/LED_GRN
0
GND
GPIO10/SDA
C405
0.1uF
C412
0.1uF
C428
0.1uF
PWM0/GPIO11/DIM
{8}
SPI_EN
GND
GND
PWM0/GPIO11/DIM
LBADC_IN1
{7}
+1.8V_DVDD
x
LV_O6
FB407
600 OHM
3.3V_PLL
RMDATA5
R435
NC
C403
0.1uF
GPIO1/LED_ORANGE
Install a 10K pull-up resistor to indicate a '1', otherwise a '0' is indicated because
ROM_ADDR[17:0] have a 50K internal pull-down resistor.
RMADDR5
LV_O[0..9] {7}
GPIO8/IRQout
VIDEO_PW_EN
FB402
600 OHM
YUV[0..7] {5}
ROM_ADDR12
LV_E6
C426
0.1uF
GPIO9/SCL
+
C411
22uF/16V
R416
NC
Close to respective power Pins
LV_O0
C416
0.1uF
VIDEO_PW_EN
{5}
Содержание LXM-L19BH
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