Huawei Ascend - Page 46

Y210 Mobile Phone
Maintenance Manual
9 Principles and Failure Analysis
Issue 1.0 (2012-11-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
41
Figure 9-13 Camera circuit
Table 9-11 Signal definitions
Signal Name
Pin
Camera
Voltage
Remarks
CAM_VIO
VREG_S3 (analog
switch)
IOVDD
1.8
-
CAM_VIO
VREG_S3 (analog
switch)
DVDD
1.8
-
VREG_CAM_2P85
VREG_L17 (PM8029)
AVDD
2.85
Power supply to the
camera autofocus
motor
CAM_AVDD
VREG_L17 (PM8029)
AVDD
2.85
-
CAMIF_MCLK
GPIO_015 (MSM7225A)
MCLK
1.8
Camera reference
clock
MCAMIF_SHDN
GPIO_119 (MSM7225A)
PWDN
1.8
Camera shutdown
signal
CAM_VCM_PD_N
GPIO_07 (MSM7225A)
-
1.8
Camera autofocus
motor control signal
I2C0_SCL
GPIO_060 (MSM7225A)
I2C_SCL
1.8
I2C control signal
I2C0_SDA
GPIO_061 (MSM7225A)
I2C_SDA
1.8
-
MCAMIF_RESET
GPIO_049 (MSM7225A)
Reset
1.8
Reset signal
MCAMIF_ID
GPIO_9 (MSM7225A)
ID
1.8
Module supplier
identification
MIPI_CSI2_CLK_P
MIPI_CSI2_CLK_P
PCLK
-
MIPI clock
MIPI_CSI2_CLK_N
MIPI_CSI2_CLK_N
NCLK
-
MIPI clock