SIM5218E Hardware Design
SIM5218E_ Hardware Design_V1.06
2012.09.21
15
low level for at least 64mS when
power on or power off the system
because the system needs margin
time to assert the software.
Audio interfaces
PIN NAME
I/O
DESCRIPTION
DC CHARACTERISTICS
MIC_P
MIC_N
I
Positive and negative voice-band
input
Audio DC Characteristics
refer to chapter 3.9.4
HP_MICP
I
Auxiliary positive voice-band input,
if not in use, connect to ground
through a 100N capacitor.
EAR_P
EAR_N
O
Positive and negative voice-band
output, if not in use, left open
HPR
HPL
O
Auxiliary right channel and left
channel voice-band output, if not in
use, left open.
SPK_P
SPK_N
O
Loud Speaker Output, if not in use,
left open
ADC
I
Analog Digital Converter Input
VREG_AUX
O
LDO power output
This LDO default output
voltage is 2.85V, and
driver current is rated for
150mA. SIM5210 has not
such pin.
Camera interfaces
PIN NAME
I/O
DESCRIPTION
DC CHARACTERISTICS
CAM_D0
I
Bit 0 of RGB video component input
CAM_D1
I
Bit 1 of RGB video component input
CAM_D2
I
Bit 2 of RGB or YUV D0 video
component input
CAM_D3
I
Bit 3 of RGB or YUV D1 video
component input
CAM_D4
I
Bit 4 of RGB or YUV D2 video
component input
CAM_D5
I
Bit 5 of RGB or YUV D3 video
component input
CAM_D6
I
Bit 6 of RGB or YUV D4 video
component input
CAM_D7
I
Bit 7 of RGB or YUV D5 video
component input
CAM_D8
I
Bit 8 of RGB or YUV D6 video
component input
CAM_D9
I
Bit 9 of RGB or YUV D7 video
component input
CAM_HSYNC
I
Video horizontal line synchronization
signal input
CAM_VSYNC
I
Vertical sync input
CAM_CLK
O
master clock output
CAM_PCLK
I
Pixel clock input
CAM_RESET
O
Master reset out, active low
VILmin=0V
VILmax=0.3*VDD_EXT
*
VIHmin=0.7*VDD_EXT
VIHmax=0.3
VOLmin=GND
VOLmax=0.2V
VOHmin=VDD_EXT-0.2
VOHmax=VDD_EXT
Содержание SimCom SIM5218E
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