Smart Module Series
SC262R_Series_Hardware_Design 35 / 115
USB_BOOT
46
DI
Force the module
into emergency
download mode
You can force the
module to enter
emergency
download mode by
pulling this pin up to
LDO5_1V8 during
power-on.
Vibration Motor Driver Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
VIB_DRV_N
28
PO
Vibration motor
driver output
control
V
O
= 1.2
–3.1 V
I
O
max = 175 mA
Connect it to the
negative pole of the
motor.
Indication Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
CHG_LED
195
AO
Indicates the
module's
charging status
I
O
max = 5 mA
Other Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
NFC_CLK
181
DO
NFC clock
NFC_CLK_REQ
182
DI
NFC clock
request
CBL_PWR_N
186
DI
Cable power-on;
initiates power on
when grounded
The module cannot
be turned off when
this pin is pulled
down. If it is not
used, keep it open.
Reserved Pins
Pin Name
Pin No.
Comment
RESERVED
150
–152, 173–175, 178–180, 183, 184, 192, 232, 242, 246,
249, 252
–254, 257, 263, 270
Keep these pins
open.
