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Copyright ⓒ. 2017. All Rights Reserved.
3. Interface
3.2 Pin description
Table 1. Pin descriptions
PAD.
NAME
DIRECTION
DESCRIPTION
Antenna Interface Pads
C21
MAIN_ANT
Input/Output
RF Main Antenna
AC21
DIV_ANT
Input/Output
RF Diversity Antenna
User Interface Pads
H6
ACC_PWR_ON
Input
ACC_PWR_ON
I5
BOOT_OK
Output
BOOT_OK
H4
MSG
Output
MSG
G3
96H_END
Output
96H_END
F20
MAIN_ANT_DTC_EN
Output
Main ANT Detect Enable
Z20
DIV_ANT_DTC_EN
Output
Diversity ANT Detect Enable
I7
SPI_LEVEL_SHIFT_EN
Output
SPI LEVEL SHIFT Enable
AD4
ETHERNET_DCDC_ENABLE
Output
Ethernet power enable
F6
GPIO1
Input/Output
(Do not use
with External
PU)
General purpose I/O
E5
GPIO2
General purpose I/O
L6
GPIO3
Input/Output (Not
support INTERR
UPT)
General purpose I/O
N6
GPIO4
General purpose I/O
ADC Interface Pads
E19
ADC1
Input
ADC Convertor input for main
antenna detect
AA19
ADC2
Input
ADC Convertor input for diversity
antenna detect
PCM Interface Pads
W3
PCM_EN
Output
PCM 3.3 Level Shifter Enable
X2
PCM_CLK
Input
PCM Clock
W1
PCM_SYNC
Input
PCM Frame Sync
Y3
PCM_DIN
Input
PCM Data In
Y1
PCM_DOUT
Output
PCM Data Out
JTAG Pin Description
AC7
MDM_JTAG_TMS
Input/Output
JTAG mode select input
AD8
MDM_JTAG_PS_HOLD
input
JTAG PS HOLD detect
AD6
MDM_JTAG_TDI
Input
JTAG data input
AE7
MDM_JTAG_TRST_N
Input
JTAG reset for debug
AB6
MDM_JTAG_TDO
Output
JTAG debugging
AB8
MDM_JTAG_TCK
Input
JTAG clock input
AE9
MDM_JTAG_SRST_N
Input
JTAG reset
USB Interface Pads
N2
USB_HS_DM
Input/Output
USB high speed data (minus)
M1
USB_HS_DP
Input/Output
USB high speed data (plus)
K1
USB_VBUS
Input
USB power
L2
USB_ID
Input
USB ID
SDIO Interface Pads
S1
SDC_CLK
Output
Secure digital controller clock
Q1
SDC_CMD
Output
Secure digital controller command
T2
SDC_DATA0
Input/Output
Secure digital controller data bit 0
R2
SDC_DATA1
Input/Output
Secure digital controller data bit 1
S3
SDC_DATA2
Input/Output
Secure digital controller data bit 2