Users Manual Part 1
SIM8260A_Hardware Design_V1.05
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VIO_OUT
D42
PO
V
TYP
=
1.8V
Output power supply for
PM7250B IO only
GND
A7, B8, A11, B12, C15, A15, B16, C17, C19, D22, D24, D26, C27, A27, B28, D28,
C31, C33, C35, C37, D40, A41, B42, J5, AD7, AJ1, AK3, AM3, AN1, AN5, AP3,
AR1, AR5, AT3, AT7, AU1, AU5, AV3, AW1, R47, T49, U51, W51, AA51, AB49,
AD49, AE47, AF45, AH45, AG47, AJ47, AL47, AN47, AR47, AU47, AV49, AW51,
AV10, AV12, AV14, AV16, AV18, AV20, AV22, AV24, AV26, AV28, AV30, AV32,
AV34, AV36, AV38,A V40, AV42, AW9, AW11, AW13, AW15, AW23, AW25,
AW27, AW29, AW31, AW33,AW35, AW37, AW39, AW41, AW43, AY6, AY8,
AY12, AY18, AY20, AY22, AY24,AY26, AY28, AY30, AY32, AY34, AY36, AY38,
AY40, AY42, AY44, AY46, BA5, BA17, BA21, BA23, BA27, BA31, BA35, BA39,
BA43, BA45, AM13, AM17, AM21, AM24, AM27, AM31, AM35, AM39, AH13,
AH17, AH21, AH24, AH27, AH31, AH35, AH39, AE13, AE17, AE21, AE24, AE27,
AE31, AE35, AE39, AA13, AA17, AA21, AA24, AA27, AA31, AA35, AA39, U13,
U17, U21, U24, U27, U31, U35, U39, P13, P17, P21, P24, P27, P31, P35, P39,
K13, K17, K21, K24, K27, K31, K35, K39, A1, B4, C7, A51, B48, C45, BA1, AY4,
AW7, BA51, AY48, AW45, AM49, AK49, AE51, AJ51, AN51, AU51
System control
PWRKEY
A45
DI
1.1V
Power on/off the module,
active low
Pull up to 1.2V internally
without PM7250B
RESIN_N
A43
DI
P3
Reset the module, active low
Pull up to 1.8V inside the
module
Status indicator
STATUS
AJ5
DO
P3
Indicate Module is on
PMU_GPIO_13
NET_STATUS
AE1
DO
P3
Indicate network activity
status of the module
PMU_GPIO_14
TDD_SYNC_PPS
AW21
DO
P3
1.It can generate pulse use
for indication NSA and SA
sub6 the beginning frame
flag of DL-UL
2.TDD_SYNC_PPS Can be
Configuration to GPS_1PPS
1.8V voltage domain.
The TDD_SYNC_PPS
and GPS_1PPS function
can’t be used at the
same time.
GPIO_32
USB_BOOT
D12
DI
P3
Module will be forced into
USB boot mode by connect
to VDD_EXT externally
GPIO_42, this pin can’t
be pulled up before
power on
W_DISABLE
AG1
DI
P3
Flight mode control input
active low
GPIO_86
SLEEP_OUT
AF3
DO
P3
Module in Sleep mode output
signal to external AP
active high
GPIO_97
USB interface
USB_VBUS
C9
AI
USB VBUS detection
Not support charge
USB_HS_DP
B6
AIO
Differential USB
bi-directional data plus
Required 85Ω differential
impedance
Compliant with USB 2.0
standard specifications
USB_HS_DM
A5
AIO
Differential USB
bi-directional data minus










