LG CU920 Manual page 170

7. CIRCUIT DIAGRAM
SDRAM_ADDR(0:14)
SDRAM_DATA(0:31)
SDRAM_DATA(31) T8
A1_22
SDRAM_DATA(30) T6
A1_21
SDRAM_DATA(29) T4
A1_20
SDRAM_DATA(28)
R8
A1_19
SDRAM_DATA(27)
T2
A1_18
SDRAM_DATA(26)
T1
A1_17
SDRAM_DATA(25) R6
A1_16
SDRAM_DATA(24) R4
A1_15
SDRAM_DATA(23) W4
GPIO_74
SDRAM_DATA(22) V6
GPIO_73
SDRAM_DATA(21) Y2
GPIO_72
SDRAM_DATA(20)
Y1
GPIO_71
SDRAM_DATA(19)
E1
GPIO_70
SDRAM_DATA(18)
R11
GPIO_69
SDRAM_DATA(17) V4
GPIO_68
SDRAM_DATA(16) U6
GPIO_67
SDRAM_DATA(15) L6
SDRAM1_D15
SDRAM_DATA(14) L8
SDRAM1_D14
SDRAM_DATA(13) K4
SDRAM1_D13
SDRAM_DATA(12) J1
SDRAM1_D12
SDRAM_DATA(11)
K6
SDRAM1_D11
SDRAM_DATA(10)
J2
SDRAM1_D10
SDRAM_DATA(9) J4
SDRAM1_D9
SDRAM_DATA(8) P4
SDRAM1_D8
SDRAM_DATA(7) H4
SDRAM1_D7
SDRAM_DATA(6) G2
SDRAM1_D6
SDRAM_DATA(5) J6
SDRAM1_D5
SDRAM_DATA(4) AB4
SDRAM1_D4
SDRAM_DATA(3)
D1
SDRAM1_D3
SDRAM_DATA(2)
AB2
SDRAM1_D2
SDRAM_DATA(1) D2
SDRAM1_D1
SDRAM_DATA(0) E2
SDRAM1_D0
FLO_CS
AC15
XMEM2_CS_N1
AF14
LCD_CS_N LCD_CS_N_GPIO38
AF10
NAND_CLE UB2_N
W14
NAND_CS_N XMEM2_CS_N0
AF7
EBI2_OE_N OE2_N
AF4
EBI2_WE_N WE2_N
AE10
EBI2_DATA(0:15)
NAND_ALE LB2_N_A2_0
T14
NAND_READY NAND2_FLASH_READY_GPIO33
EBI2_DATA(15) AA10
D2_15
EBI2_DATA(14) AC9
D2_14
EBI2_DATA(13) W10
D2_13
EBI2_DATA(12) AA9
D2_12
EBI2_DATA(11) AE7
D2_11
EBI2_DATA(10) AC8
D2_10
EBI2_DATA(9) W9
D2_9
EBI2_DATA(8)
AA8
D2_8
EBI2_DATA(7) AC7
D2_7
EBI2_DATA(6) AF5
D2_6
EBI2_DATA(5) AA7
D2_5
EBI2_DATA(4) AE5
D2_4
EBI2_DATA(3) AC6
D2_3
EBI2_DATA(2) AE4
D2_2
EBI2_DATA(1) AF3
D2_1
EBI2_DATA(0) AC5
D2_0
AF13
(ADS signal for LCD) LCD_ADS A2_20_GPIO34
AA14
A2_19
T13
A2_18
AC14
A2_17
AE14
A2_16
W13
A2_15
AC13
A2_14
AA13
A2_13
AF12
A2_12
AE12
A2_11
AC12
A2_10
AA12
A2[9] A2_9
W12
A2[8] A2_8
T12
A2[7] A2_7
AC11
A2[6] A2_6
AA11
A2[5] A2_5
AC10
A2[4] A2_4
W11
A2[3] A2_3
AF9
A2[2] A2_2
AE9
A2[1] A2_1
LGE Internal Use Only
100K
1% R200 1%
100K R201
R204
22
SDCC_DAT1_GPIO99
SDCC_DAT2_GPIO100
SDCC_DAT3_GPIO101
MDP_VSYNC_SECONDA_GPIO104
MDP_VSYNC_PRIMARY_GPIO105
WDOG_STB_SBCK1_GPIO0
SBDT1_GPIO1
PA_ON1_GPIO2
GRFC9_GPIO12
CAMCLK_PO_GP_MN_GPIO13
USB_RX_DATA_GPIO29
XMEM2_CS_N2_GPIO35
XMEM2_CS_N3_GPIO36
LCD_EN_GPIO37
SYNTH2_GPIO65
XMEM1_CS_N1_GPIO76
XMEM1_CS_N3_SDRAM1_CS_N1_GPIO77
UART3_RFR_N_GPIO87
UART2_DP_RX_DATA_GPIO89
SYNTH0_GP_PDM0_GPIO92
SBST1_GPIO93
TX_AGC_ADJ
TRK_LO_ADJ
TCXO_EN_GPIO94
U200-1
MSM6280_A
GP_PDM2_PA_RAN_GE1
GP_PDM1_PA_RAN_GE0
AUX_PCM_CLK_GRFC14_GPIO80
AUX_PCM_DIN_GRFC13_GPIO14
AUX_PCM_DOUT_GRFC12_GPIO103
AUX_PCM_SYNC_GRFC11_GPIO102
TX_ON_GRFC10
GRFC8_GPIO11
GRFC7_GPIO10
GRFX6_GPIO9
GRFC5_AUX_SBST_GPIO8
GRFC4_AUX_SBCK_GPIO7
GRFC3_GPIO6
GRFC2_GPIO5
GRFC1_AUX_SBDT_GPIO4
GRFC0_GPIO3
BT_CLK_GPIO25
BT_SBST_GPIO24
BT_SBCK_GPIO23
BT_SBDT_GPIO22
BT_TX_RX_N_GPIO21
BT_DATA_GPIO20
MDDIC_DATP
MDDIC_DATN
MDDIC_STBP
MDDIC_STBN
C241 Place near
0.1u
MSM pin AD26
10%
R209 2.2K
R210 2.2K
VREG_CAM_IO_2.8V
(Check CAM_DATA PINOUT !!!!)
- 172 -
MODE2 MODE1
0 0
BOOT_MODE3 BOOT_MODE2 BOOT_MODE1
0 0
0 1
1 0
1 1
1005 0.1uF 16V +80/-20%
2012 10uF 6.3V +80/-20% Ceramic
VREG_MSMC_1.25V
C200 C202
4.7u
0.01u
Place near
C206
MSM pin W18
0.1u
10% (CODEC VSS)
C208 C209 C210
0.01u 0.01u 0.01u
F25
SDCC_DATA(1)
M25
SDCC_DATA(2)
M26
SDCC_DATA(3)
AE3
LCD_MAKER_ID C217 C218 C219 C220
AD2
LCD_VSYNC 1000p 1000p 1000p 0.01u
H25
F26
H11
PA_ON1 W850 PAM
D5
ANT_SEL3
J21
CAM_MCLK
A6
GPIO28
N19
PA_ON2 W1900 PAM C227 C228 C229 C230 C231
W15
TFLASH_DET_N 1000p 1000p 1000p 1000p 0.01u
AA15
CAM_PWDN
AE13
CAM_LDO_EN
H9
GPIO43 LCD_RESET_N
B6
F8
GPIO66
AA1
Y6
L25
FLO_INT0
H6
F18
FLO_INT1
H18
Close to MSM
H13
TX_AGC_ADJ
L13 2K R208
TRK_LO_ADJ
F19 TP200
TCXO_EN
F17
PA_ON0
A12 F1
Q_OUT_N TX_QM VSS_PAD1_0
B12 K1
Q_OUT TX_QP VSS_PAD1_1
A13 M1
I_OUT_N TX_IM VSS_PAD1_2
B13 R1
I_OUT TX_IP VSS_PAD1_3
F12 U1
DAC_REF DAC_REF VSS_PAD1_4
W23 AF6
Q_IM_CH1 VSS_PAD2_0
V23 AF11
Q_IP_CH1 VSS_PAD2_1
V25 AF15
I_IM_CH1 VSS_PAD2_2
W25
I_IP_CH1
AA25 R26
Q_IM_CH0 RX_QM VSS_PAD3_0
Y25 B17
Q_IP_CH0 RX_QP VSS_PAD3_1
AB25 A15
I_IM_CH0 RX_IM VSS_PAD3_2
AC25 A9
I_IP_CH0 RX_IP VSS_PAD3_3
A18
VSSA1
D17 A21
VSSA2
H17 D13
PA_R0 VSSA3
D19
VSSA4
H15 P26
TRST_N JTAG_TRST_N VSSA5
D16 U19
TCK JTAG_TCK VSSA6
F15 V26
TMS JTAG_TMS VSSA7
D15 W16
TDI JTAG_TDI VSSA8
w18 (Analog VSS guard ring for CODEC)
A17 W18
TDO JTAG_TDO VSSA9
H16 W26
RTCK JTAG_RTCK VSSA10
AB26
VSSA11
K19 AC16
SPK_AMP_EN VSSA12
N21 AC26
SPK_SW_ON VSSA13
G4 AD25
VSSA14
J8 AF23
VSSA15
H12 AF24
TX_ON VSSA16
B4
ANT_SEL2
T23
ANT_SEL1
T19
ANT_SEL0
D11
GSM_SAW_SW_MODE
H10
F10
D9
GSM_PA_BAND
A8
GSM_PA_EN
B8
G23
BT_CLK
F23
BT_SBST
E26
BT_SBCK
E25
BT_SBDT
H21
BT_TX_RX_N
R19
BT_DATA
A22
A23
B22
B23
MEDIAFLO_SET
MODE
ADC HKADC(4):PCB_Rev_ADC
MODE0 ( Default Pull-Down)
A, H : 100K : 6.2K : 0.157V
0 Native, ARM JTAG HKADC[0] - AMUX_OUT
HKADC[1] - VBATT_SENSE B, I : 100K : 12.1K : 0.291V
HKADC[2] - HDET1 C, J : 100K : 20.0K : 0.450V
HKADC[3] - TTY_ADC_DET
D, K : 100K : 27.0K : 0.574V
HKADC[4] - PCB_Rev_ADC
E, L : 100K : 39.0K : 0.757V
1 8-bit, NAND, Normal
HKADC[5] - VBATT_TEMP
1 16-bit, NAND, Normal F, M : 100K : 51.0K : 0.911V
1 8-bit, NAND, Trusted
PMIC_AUXIN[1] G, N : 100K : 68.0K : 1.092V
16-bit, NAND, Trusted
1 PMIC_AUXIN[2] - PA_THERM
1.0 : 100K : 100K : 1.350V
1.1 : 100K : 150.0K : 1.620V
1.2 : 100K : 215K : 1.842V
1.3 : 100K : 390K : 2.148V
1.4 : 100K : 680K : 2.53V
VREG_MSME_1.8V VREG_MSMP_2.8V VREG_MSMA_2.6V
(CAD : 10uF=>Input MSMA_2.6V)
C201 C203 C204
10u
0.1uF 0.1uF
C211
0.1uF C212 C213 C214 C215 C216
0.01u 0.01u 0.1uF 0.1uF 0.1uF
C221 C222 C223 C224 C225
0.01u 0.01u 0.01u 0.1uF 0.1uF 2200p cap => place between
D12(VDDA1) and F12(DAC_REF)
C226
2200p
DAC_REF
C232 C233 C234 C235 C236 C237
1000p 1000p 1000p 0.1uF 0.1uF 0.1uF
Near to B18 (VDD_PLL)
VREG_MSMA_2.6V
C238 C239
0.1u 0.01u
10%
C26
RESERVED
(PLLOUT_TEST)
C1
VSS_DIG_0
H1
VSS_DIG_1
W1
VSS_DIG_2
AC1
VSS_DIG_3
AF8
VSS_DIG_4
AF16
VSS_DIG_5
T26
VSS_DIG_6
G26
VSS_DIG_7
D26
VSS_DIG_8
A24
VSS_DIG_9
A14
U200-2 VSS_DIG_10
A11
VSS_DIG_11
MSM6280_B A5
VSS_DIG_12
AC23
VSS_DIG
AA21
NC MSM6280 Reference Rev.B : AA21 -> NC
AC23: VSS_DIG
AA6
VSS39
AC4
VSS41
AE1
VSS43
AE2
VSS44
AE25
VSS45
AE26
VSS46
AF1
VSS47
AF2
VSS48
AF25
VSS49
AF26
VSS50
for VSS_THERMAL
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