Phytec phyCORE-i.MX31, Hardware Manual

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System Memory
©
PHYTEC Messtechnik GmbH 2007 L-700e_0
15
P
IN
R
OW
X1C
P
IN
# S
IGNAL
I/O SL D
ESCRIPTION
1C VIN - Power Main Power Input (3,3V-4,65V)
2C VIN - Power Main Power Input (3,3V-4,65V)
3C GND - 0 Ground 0V
4C VIN - Power Main Power Input (3,3V-4,65V)
5C VIN - Power Main Power Input (3,3V-4,65V)
6C x_VBAT - Power Backup Voltage of SRAM and I²C-RTC
7C GND - 0 Ground 0V
8C VCC_3V3 - Power Power for 3,3V devices
9C VCC_3V3 - Power Power for 3,3V devices
10C VCC_3V3 - Power Power for 3,3V devices
11C VCC_3V3 - Power Power for 3,3V devices
12C GND - 0 Ground 0V
13C x_Power_BATT I VATLAS
(2.50V-2.86V)
1. Battery positive terminal
2. Battery current sensing point 2
3. Battery supply voltage sense
14C x_BATTISNS I VATLAS Battery current sensing point 1
15C x_BATTFET O VATLAS Driver output for battery path FET
16C x_CHRGISNSP I VATLAS Charge current sensing point 1
17C GND - 0 Ground 0V
18C x_LICELL I MV 1. Coincell supply input
2. Coincell charger output
19C x_CHRGLED O EHV Trickle LED driver output
20C x_CHRGMOD0 I VATLAS Selection of the mode of charging
21C x_CHRGMOD1 I VATLAS Selection of the mode of charging
22C GND - 0 Ground 0V
23C x_RXOUTL_LSPP O VAUDIO J19=1+2:
Low power receive output for accessories
left channel
J19=2+3:
L
oudspeaker positive terminal
24C x_RXOUTR_LSPM O VAUDIO J20=2+3:
Low power receive output for accessories
right channel
J20=2+3:
Loudspeaker minus terminal
25C x_RXINL I VAUDIO Receive input left channel
26C x_RXINR I VAUDIO Receive input right channel
27C GND - 0 Ground 0V
28C x_MC1RIN I VAUDIO right microphone amplifier input
29C x_MC1LIN I VAUDIO left microphone amplifier input