Xiaomi Redmi 7A 3 level block diagram
4321
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7A_RF
红米
POWER_DET_CTRL
D
ANTENNA
ANT
J3300
ANT
U3300
U2700
C
VPH_PWR
REG_L5_1P8
RFFE2_CLK
(FROM U1001)
RFFE2_DATA
B
ANTENNA
DIV_ANT_IN
J2800
ANT SW&PA
U2801
VREG_L18_2P7
VREG_L5_1P8
FROM (U1001)
A
RFFE5_CLK
RFFE5_DATA
DRX_SW
ANTENNA
WTR0_PDET
B28B_TRX_TXM
B28A_TRX_TXM
B1_TRX_TXM
B20_TRX_TXM
B5/BC0_TRX_TXM
B38B41_TRX_TXM
B4_TRX_TXM
B8_TRX_TXM
B34/B39_PA_OUT
WTR0_TX_BC0_B5_B8_B20_B28
B3_TRX_TXM TX_MB1_B3
B39_PRX_TXM B34_B39_PRX_RFIC
B34_PRX_TXM
B2_TRX_TXM
B7_TRX_TXM
B3_DRX
B5_DRX
B8_DRX
B40_DRX
B1/B4_DRX
B38_B41_DRX
B7_DRX
B2/B34_DRX
B39_DRX
B28_DRX
B20_DRX
GPS_IN GPS_IN
J3100 U3101
U2501
VREG_L18_2P7
WTR0_PRX_B28B
U2715
TX_LB3_B28A
U2710
WTR0_PRX_B28A
TX_MB3_B1
U2702
WTR0_PRX_B20
TX_LB4_B20
U2714
U2704
U2604
U2712
U2707
U2603
TX_MB4_B4
U2706
U2713
U2703
U2711
U2815
DRX_B7_SPDT
U2808
U2811
U2803
U2806
TX_MB4_B4
TX_LB5_B8
TX_LB2_B28B
TX_B28B
TX_B28A
TX_B20
TX_LB1_B5/BC0
TX_MB2_B2
TX_HB2_B7
U2813
U2810
U2812
U2809
U2814
U2804
U2807
U2708
VREG_L18_2P7
HB2_DRX_SW FROM (U1001)
VREG_L18_2P7
LB2_PRX_SW2 FROM (U1001)
RF_B2_PRX_RFIC
WTR0_TX_GLB_BC0_B5_B8_B20_B28
WTR0_TX_GSM_HB
MB3_PRX_SW3
MB3_PRX_SW2
WTR0_PDET_INP
WTR0_PRX_MB3_B1
LB2_PRX_SW
LB2_PRX_SW2
U2709
VREG_L18_2P7
U3303
PA
REG_L18_2P7
(U1001)
WTR0_DRX_MB2_B3
WTR0_DRX_LB1_B5
WTR0_DRX_LB3_B8
WTR0_DRX_HB1_B40
WTR0_DRX_MB3_B1/B4
WTR0_DRX_HB2_B7_B38_B41 DRX_B38_B41_SPDT
WTR0_DRX_MB1_B2_34_B39
VREG_L4_1P8 EXT_GPS_LNA_EN
WTR0_PRX_B20/28
FROM (U1001)
WTR0_PRX_BC0/B5/GSM850
WTR0_PRX_HB1_B40_B38_B41
WTR0_PRX_B8/GSM900
WTR0_PRX_HB1_B40_B38_B41
WTR0_PRX_MB2_B3
WTR0_PRX_MB1_B2/B4/B34/B39_GHB
WTR0_PRX_HB2_B7
WTR0_DRX_LB2_B20/B28
VREG_L5_1P8
VPH_PWR
RFFE2_DATA
RFFE2_CLK
WTR0_TX_B1_B2_B3_B34_B39
WTR0_TX_B7_B38_B40_B41
FROM( U1001)
U2607
U3201U3200U3202
(FROM U1001)
WTR0_GPS
PRXTXDRX
GPS
U2500
CLK
ALL RX
TX
GPS
PWR
WTR_XO_CLK
VREG_L4_1P8
VREG_L1_1P0
WTR0_DRXBB_I_P
WTR0_DRXBB_Q_P
WTR0_PRXBB_I_P
WTR0_PRXBB_Q_P
CH0_GSM_TX_PHASE_D0
WTR0_TXBB_I_P
WTR0_TXBB_I_M
WTR0_TXBB_Q_P
WTR0_TXBB_Q_M
WTR0_GPSBB_Q_P
WTR0_GPSBB_I_P
RFFE1_CLK
RFFE1_DATA
(U1201)
ALL RX
TX
GPS
GPIO
U1001
TX
RX
TX&RX
供电
时钟
D
C
B
A
1 2 3 4
4321
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7A BB
红米
EBI0_CA[9:0]
EBI0_DQ[31:0
SDC1_DATA_0_7
SDC1_RCLK
SDC1_CLK
D
C
ANTENNA
J3100
U3101
U3100
WL_BT_RFIO_2P4G
WL/BT
CTRL
U3000
ANTENNA
FM
PWR
XO
FM_LNA_EN
VREG_L5_1P8
U3305
FM_ANT
VREG_L19_1P3
VREG_L5_1P8
VREG_L9_3P3
WCN_XO_CLK
WL_CMD_SET
WL_CMD_CLK
WL_CMD_DATA_2
WL_CMD_DATA_1
WL_CMD_DATA_0
FM_SSBI
FM_DATA
BT_CTL
BT_SSBI
BT_DATA
GPIOBT&FM
EMMC
MCAM
RESOUT_N
EBI0_CS0_1_N
EBI0_CKE0_1
EBI0_CLK_T_C
EBI0_DQS0_3_T
EBI0_DQS0_3_C
EBI0_DM0_3
VREF_LPDDR3
CAM_MCLK0
CAM_I2C_SCL0
CAM_I2C_SDA0
MIPI_CSI0_CLK_N_P
MCAM_RST_N
MIPI_CSI0_LANE3_P_N
MIPI_CSI0_LANE2_P_N
MIPI_CSI0_LANE1_P _N
MIPI_CSI0_LANE0_N_P
U1301
J1900
M-CAMER
VREG_L5_1P8
VREG_L2_1P2
VREG_L8_2P9
VREG_L17_2P85
VREG_L3_1P2
VREG_L6_1P8
D
C
FRONT CAM
AUDIOPA_RESET
LINEOUT_N
LINEOUT_P
CP_C1_P-M
AUDIOPA_BIAS_I2C_SDA
AUDIOPA_BIAS_I2C_SCL
FROM (U1201)
VREG_S4_2P05
VREG_L5_1P8
VPH_PWR
C1614
CDC_PDM_CLK
CDC_PDM_SYNC
CDC_PDM_TX
CDC_PDM_RX0
CDC_PDM_RX1
CDC_PDM_RX2
TO (U2000)
SPK
USB
GPIO
SPK_OUT+
SPK_OUT-
VPH_PWR
B
VREG_L18_2P7
VREG_L10_2P8
FROM (U3302)
FROM (U1101)
A
VBUS
SAR MAIN_P
SAR MAIN_N
USB_ID
PAD2003
PAD2004
U2002
J2301
MIC_IN1_P
MIC_IN1_M
MIC_BIAS1
CDC_EAR_P
CDC_EAR_M
MIC_IN3_P
MIC_IN3_N
MIC_BIAS1
CDC_HPH_R
CDC_HPH_L
MIC_IN2_P
CDC_HSDET_L
J2000
HPH_REF
TP_I2C_SDA
TP_I2C_SCL
TP_RST_N
TP_INT_N
PRX_TUNER_CTRL3
PRX_TUNER_CTRL2
PRX_TUNER_CTRL1
USB_HS_DM
USB_HS_DP
U2000
SPK_PA
U1201
LINEOUT_P
LINEOUT_N
USB_HS_DM_DET
USB_HS_DP_DET
U1001
SIM
SENSOR
LCD/TP
CAM_MCLK2
CAM_I2C_SDA1
CAM_I2C_SCL1
FCAM_RST_N
CAM_CLK0-P_N
MIPI_CSI1_LANE0_P_N
MIPI_CSI1_LANE1_P_N
SDC2_SDCARD_D0-D3
SDC2_SDCARD_CLK
SDC2_SDCARD_CMD
UIM1_RESET
UIM1_CLK
UIM1_DATA
UIM2_RESET
UIM2_CLK
UIM2_DATA
SDCARD_DET_N
SENSOR_I2C_SCL
SENSOR_I2C_SDA
SENSOR_I2C_SDA
SENSOR_I2C_SCL
ACCL_INT
ALSP_INT_N
SENSOR_I2C_SDA
SENSOR_I2C_SCL
LCD_TE0
LCD_RST_N
LCD_ID1
LCD_ID2
MIPI_DSI0_LANE0_P-N
MIPI_DSI0_LANE1_P-N
MIPI_DSI0_LANE2_P-N
MIPI_DSI0_LANE3_P-N
MIPI_DSI0_CLK_P-N
J1902
J2202
J2200
J2201
U2100
E-COMPASS
U2302
A-SENSOR
U2303
FRONT
J2203
ALS PS
LCD_I2C_SC
LCD_I2C_SDA
J1801
LCM
VREG_L6_1P8
VREG_L3_1P2
VREG_L3_1P2
VCAMA_CON
VREG_L6_1P8
VREG_L6_1P8
VREG_L6_1P8
VPH_PWR
U1900
VREG_L11_2P95
VREG_L14_UIM1
VREG_L15_UIM2
VREG_L5_1P8
LCD_CABC
LCD_BL_LED_K1_LV
LCD_BL_LED_K2_LV
LCD_BL_LED_A
LCD_VSP
LCD_VSN
VREG_L6_1P8
VREG_S4_2P05
(U1101)
CAM_AVDD_LDO_EN
U1800
VPH_PWR
WLED_EN
WLED_PWM
(U1201)
B
A
1 2 3 4
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