Block Diagram - SimCom SIMT 1502 Manual

SHANGHAI SIMCOM LIMITED

1.3 Block diagram

GPIO28/SCAM_RST_N 3
MIPI FOR
GPIO27/SCAM_MCLK 4
SUB
5
MIPI_CSI1_LANE0_P
CAMERA
6
MIPI_CSI1_LANE0_N
MIPI_CSI1_CLK_P 7
MIPI_CSI1_CLK_N 8
MIC3_IN_P 9
MIC2_IN_P 10
CDC_HS_DET 11
SPKR_DRV_M 12
SPKR_DRV_P 13
CDC_EARO_M 14
CDC_EARO_P 15
AUDIO
MIC_GND 16
MIC1_IN_P 17
MIC_BIAS1 18
CDC_HPH_R 19
CDC_HPH_REF 20
CDC_HPH_L 21
GPIO_14 22
GPIO_15 23
GPIO_6/UART_CTS_N 24
GPIO_7/UART_RFR_N 25
GPIO_4/UART_TX 26
GPIO_5/UART_RX 27
GPIO_111/UART_CTS_N/SDA 28
GPIO_112/UART_RFR_N/SCL 29
GPIO_13/TS_INT_N 33
Touchscreen
GPIO_18/TS_12C_SDA 34
SENSOR：
GPIO_19/TS_12C_SCL 35
_N;12C
GPIO_12/TS_RST_N 36
GPIO_38/SD_CARD_DET_N 37
GPIO_20/UART_TX 38
GPIO_21/UART_RX 39
GPIO_90/KPSNS0 40
GPIO_91/KPSNS1 41
GPIO_92/KPSNS2 42
USB_DM 44
USB
USB_DP 45
GPIO_22/AUDIO_PA_EN 47
GPIO_28 48
GPIO_0/MI2S_WS 49
GPIO_1/MI2S_CLK 50
GPIO_2/MI2S_D0 51
GPIO_3/MI2S_D1 52
GPIO_16/ACCEL_INT_1 53
SDC2_CMD 54
SDC2_DATA0 55
SDC2_DATA1 56 T_FLASH
SDC2_DATA2 57
CARD
SDC2_DATA3 58
MSM8909
SDC2_CLK 59
GPIO_98 60
GPIO_29 63
GPIO_30 64
GPIO_52 65
66
67
68
69 MIPI FOR LCM
70
Figure1-2 SIMT1502 functional block diagram
JTAG
DEBUG
CONNECTOR
Disable internal
Charging
R=0Ω
PMIC_INT
RESIN_N
PS_HOLD
SPMI_CLK
SPMI_DATA
CXO_EN （BBCLK_EN）
CXO_IN (BBCLK 19.2MHz)
SLEEP_CLK 32.768KHz
EMMC_NAND
SDC1
MEMORY
LPDDR3
EBI0
GPS_RX_I/O
CHO_TX_I/O
RF
CHO_RX_I/O
CHO_GP_DATA
PM8909
XO_G
PDET_IN
WCN
WLAN_IO
BT_STROBE
BT/WLAN/FM SSBI
MAIN BOARD
CAM MIPI FOR Main
_ 12C
camera
GND
GPIO_25
NC
NC
GPIO_31
GPIO_32
GPIO_36
GPIO_58
GPIO_93
GPIO_94
GPIO_95
GPIO_96
GPIO_97
GPIO_110
GPIO_65
USB
OPT1
OVP
VCHG
VPH_PWR
FET&SNS
PM8909
ENTERN_LDO_CTL
GPIO
GYRO_EN_PM
[0:4]
BOOST_BYP_BYP
UIM_BATT_ALARM
MPP VDD_RX_BIAS(1.25V)
Home row (2WLED * 20mA)
[0:4]
WLED CTL-PWM MODULE
OUTPUT
PA_THERM
XO
19.2MHz
19.2
MHz
RF_CLK2
COUP
SWITCH
LER
WTR4905
SWITCH
SAW LNA SAW
2.4G
30 5G_WIFI
5G
WCN3660B
IPEX-3 RF
connector
48MHz
1
30 GND
2 29 GND
3 28 GND
4
27 GND
5
26 GND
6
25 GND
7
24 GND
BTB
8 23 GND
9 22 GND
10 21 GND
11 20 GND
12
19 GND
13 18 GND
14 17 CND
16 GND
15
61
VREG_L11_2P95V
74
75
77
PM_VIB_DRV_N
85
VREG_L12_2P95V
87 VBUS_USBIN
92 VPH_PWR
124 VPH_PWR
89 VCOIN
107
VREG_L17_2P85V
109
VREG_L6_1P8V
88 VBATT
81 PMU_GPIO01
83 PMU_GPIO02
1
93
94
31 BT_WIFI_IN
Coaxial line
128
127
126
125
123
8