SimCom SIM5215 Hardware Design page 17

SD_DATA3
USB
USB_VBUS
USB_DP
USB_DM
Serial interface
UART_RXD
UART_TXD
UART_RTS
UART_CTS
UART_RI
UART_DTR
UART_DCD
I2C interface
I2C_SDA
I2C_SCL
Camera interface
CAM_CLK
CAM_PCLK
CAM_VSYNC
CAM_HSYNC
CAM_STANDBY
CAM_RESET
CAM_D2
CAM_D3
CAM_D4
CAM_D5
CAM_D6
CAM_D7
CAM_D8
CAM_D9
PCM interface
PCM_DIN/GPIO0
PCM_SYNC/GPIO2
PCM_CLK/GPIO3
SIM5215&SIM5216_Hardware Design_V2.02
I/O SDIO data
I USB power supply input
Plus (+) line of the differential,
I/O bi-directional USB signal to/from the
peripheral device.
Minus (-) line of the differential,
bi-directional USB signal to/from the
I/O
peripheral device.
I Receive Data
O Transmit Data
O Request to send
I Clear to Send
O Ring Indicator
I/O DTE get ready
O Carrier detects
I/O I2C data
O I2C clock output
O
Camera clock
I Camera pixel clock
I Horizontal synchronization
I Vertical synchronization
O Power down control
O Reset control
I Data bit 0 (YUV or RGB)
I Data bit 1 (YUV or RGB)
I Data bit 2 (YUV or RGB)
I Data bit 3 (YUV or RGB)
I Data bit 4 (YUV or RGB)
I Data bit 5 (YUV or RGB)
I Data bit 6 (YUV or RGB)
I Data bit 7 (YUV or RGB)
General Input PIN with module
I wake/interrupt.
multiplexed as the PCM_DIN pin.
General Input PIN. It also can be
I
multiplexed as the PCM_SYNC pin.
General Output PIN. It also can be
O
multiplexed as the PCM_CLK pin.
Smart Machine Smart Decision
It also can be
17
They are compliant with
the USB 2.0 specification.
If it is unused, keep open.
UART_RXD has been
pulled down with a 12kR
resistor to ground in the
module.
If it is unused, keep open.
Pulled up with a 2.2kR
resistor to 2.6V internally.
If it is unused, keep open.
All camera pins can be
configured as GPIOs.
If it is unused, keep open.
If it is unused, keep open.
2012-08-31