UMTS/HSPA+ Module Series
UC200A-GL_Hardware_Design 18 / 78
USIM_VDD
14
PO
(U)SIM card power
supply
1.8 V (U)SIM
：
Vmax = 1.9 V
Vmin = 1.7 V
3.0 V (U)SIM
：
Vmax = 3.05 V
Vmin = 2.7 V
Either 1.8 V or 3.0
V (U)SIM card is
supported and can
be identified
automatically by
the module.
USIM_DATA
15
DIO
(U)SIM card data
1.8 V (U)SIM
：
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
OL
max = 0.45 V
V
OH
min = 1.35 V
3.0 V (U)SIM
：
V
IL
max = 1.0 V
V
IH
min = 1.95 V
V
OL
max = 0.45 V
V
OH
min = 2.55 V
USIM_CLK
16
DO
(U)SIM card clock
1.8 V (U)SIM
：
V
OL
max = 0.45 V
V
OH
min = 1.35 V
3.0 V (U)SIM
：
V
OL
max = 0.45 V
V
OH
min = 2.55 V
USIM_RST
17
DO
(U)SIM card reset
USIM_DET
13
DI
(U)SIM card hot-plug
detect
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power
domain.
If unused, keep it
open.
SD Interface
Pin Name
Pin
No.
I/O
Description
DC
Characteristics
Comment
SD_SDIO_CLK
32
DO
SD card SDIO clock
1.8/2.8 V power
domain.
If unused, keep it
open.
SD_SDIO_CMD
33
DIO
SD card SDIO command
SD_SDIO_DATA0 31
DIO
SD card SDIO bit 0
SD_SDIO_DATA1 30
DIO
SD card SDIO bit 1
SD_SDIO_DATA2 29
DIO
SD card SDIO bit 2
SD_SDIO_DATA3 28
DIO
SD card SDIO bit 3
SD_SDIO_VDD
34
PO
SD card SDIO power
supply
SD_DET
*
23
DI
SD card detect
1.8 V power
domain.
