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RGMII1_MDIO
RGMII1_
REFCLKOUT
RGMII1_MCLK
Keypad Interfaces
Pin Name
PWRKEY
VOL_UP/BOOT
VOL_DOWN
RESET_N
PON_1
SG368Z_Series_Hardware_Design
clock
RGMII1
286
OD
management data
input/output
RGMII1 reference
288
DO
clock output
278
DI
RGMII1 clock input
Pin No.
I/O
Description
Turn on/off the
226
DI
module
Volume up;
Control the module
236
AI
into firmware
upgrade mode
232
AI
Volume down
231
DI
Reset the module
LOW to HIGH
221
DI
indicates power on
Smart Module Series
VCCIO6
The output
frequency of
VCCIO6
reference clock is
25 MHz.
The output
frequency of
VCCIO6
reference clock is
125 MHz.
DC
Comment
Characteristics
VBAT
Active low.
Active low.
A test point is
1.8 V
recommended to
be reserved.
1.8 V
Active low.
Active low.
A test point is
1.8 V
recommended to
be reserved if
unused.
Under normal
VBAT power
supply conditions,
if this pin is
detected as high
level, the
turning-on
V
max = 1.4 V
IH
process will be
V
min = 0.8 V
IH
triggered. After
turning-on,
PON_1 can be
pulled down or
kept high, which
does not affect the
turning-on status.
28 / 113
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