ConnectCore ? f or ? i .M X 5 1 ?
??? Five
channels pre-assigned to battery interface measurements
??? Internal
??? Normal
voltage scaling for pre-assigned measurements
conversion mode and touch screen mode
The following table shows the ADC channel assignment in ADC and touch screen modes:
Channel
0
1
2
3
4
5
6
7
ADC Mode
Battery Voltage
Battery Current
Application voltage (VBP)
Charger Voltage
Charger Current
General Purpose ADIN5
General Purpose ADIN6
General Purpose ADIN7
Touch Screen Mode
Touch_X1
Touch_X2
-
Touch_Y1
Touch_Y2
-
Contact resistance
Contact resistance
Synchronous Serial Interface (SSI)
The ConnectCore for i.MX51 module provides up to three synchronous serial interfaces (SSI)
that allows communicating with a variety of serial devices as standard CODECs, audio CODECs
implementing the I 2 S standard and Intel AC97 standard.
SSI is typically used to transfer samples in a periodic manner. The SSI consists of independent
transmitter and receiver sections with independent clock generation and frame
synchronization.
The main features of the SSI interface are the following:
??? Independent
(asynchronous) or shared (synchronous) transmit and receive sections
operating in Master or Slave mode
??? Normal
mode operation using frame sync
??? Network
mode operation allowing multiple devices to share the port with as many as
32 time slots
??? Two
sets of four 15 x 32 bits Transmit and Receive FIFOs.
??? Programmable
??? Programmable
data interface mode such like I 2 S, LSB, MSB aligned
word length 8, 10, 12, 16, 18, 20, 22 or 24 bits
??? Program
options for frame sync and clock generation
??? Programmable
I 2 S modes (Master, Slave or Normal)
??? AC97
support
? ? 2011 ? Digi ? International, ? Inc.
???? ? 41
相关PDF资料
CDBMCU-DEBUG EVAL BD FOR DSP CS48X & CS49X
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CH-14403 RACK SMALL MNT CHASSIS ALUMINUM
CH15MNP4 BATT CHARGER 15MINUTE W/4AA
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