– 5-25 –■ Camera Module Interface Signals■ IrDA Interface SignalsNo. Signal Name LOG RF Function Connection Status/Description1 VCC IrDA Power supply E-Power VINT2 GND GND Common GND3 SD Shut down E-Gold + nHLDA H: Don't care (sleep); L: Active4 RXD Received IrDA signal E-Gold + RXD15 TXD Sending IrDA signal E-Gold + TXD16 LEDA LED Power supply VBAT7 SGND-7 GND Common GND8 SGND-7 GND Common GNDBBNBBNo. Signal Name LOG RF Function Connection Status/Description1 SDATA Pixel clock from camera Companion IC CMCLKIN 6MHz2 D0 Digital GND Companion IC CMDAT0 Hi-Z at power down.3 D1 Data Bus (3) Companion IC CMDAT1 Hi-Z at power down.4 D2 Data Bus (4) Companion IC CMDAT2 Hi-Z at power down.5 D3 Data Bus (5) Companion IC CMDAT3 Hi-Z at power down.6 D4 Data Bus (6) Companion IC CMDAT4 Hi-Z at power down.7 D5 Data Bus (7) Companion IC CMDAT5 Hi-Z at power down.8 D6 SIF clock for register setting Companion IC CMDAT6 Hi-Z at power down.9 D7 Digital Power supply Companion IC CMDAT7 Hi-Z at power down.10 GND GND Common GND11 PCLK Pixel clock from camera Companion IC CMCLKIN 12 MHz12 GND GND Common GND13 GND GND Common GND14 Xin Clock input for camera Companion IC CMCLKOUT 12 MHz15 RSTN Reset signal Companion IC GPIO 0 L : Reset; H: Active16 GND GND Common GND17 AGND Analogue Power supply 2.8 V Reg. Vout18 AVDD Digital Power supply 2.8 V Reg. Vout19 GND GND Common GND20 PWRDOWN Powwwer down control Companion IC GPIO 1 L : power down; H : Active21 VSYNC Data Bus (0) Companion IC CMVREF22 HSYNC Power down control Companion IC CMHREF23 GND GND Common GND24 SCLOCK SIF clock for register setting Companion IC SCL 375 kHz25 GND GND Common GND26 GND GND Common GNDN BN BN BN BNNNNNNBBBBBNNB