Page 30
AmITX-BT-I
4.2.12.
Feature Connector
2x13-pin 2.0 pitch standard wafer connector
The feature connector of AmITX-BT-I provides Case Open, I
2
C, SMBus, and GPIO(10pin).
Signal
Description
TEMPS
Analogue temp sensor, connect to analog input of BMC
EXT_BAT
Connect to RTC power
CASE_OPEN# Any time case open occurred, system will notice/show case open alert in
POST when the next booting.
I2CC / I2CD
Connect to BMC (I2C Master)
I2C SEMA
Pin # Signal
Pull U/D Ioh/ Iol
Type Note Pin # Signal
Type Ioh/ Iol
Pull U/D
Note
1
CASE_OPEN# PU 2M
-
I
2
SMBC
OT
/4mA
PU 10K
1
3
GND
-
-
PWR
4
SMBD
OT
/4mA
PU 10K
1
5 TEMPS
-
I 2 6 I2CC OT
-
PU
10K 1
7
EXT_BAT
-
PWR
8
I2CD
OT
-
PU 10K
1
9
SB3V3
-
- PWR
10
SB5V
PWR -
-
11
GND -
- PWR
12
GND
PWR -
-
13 GPIO0
-
PU10K3V3
IOT
14 GPIO1
IOT
PU10K3V3
15 GPIO2
-
PU10K3V3
IOT
16 GPIO3
IOT
PU10K3V3
17 GPIO4
-
PU10K3V3
IOT
18 GPIO5
IOT
PU10K3V3
19 GPIO6
-
PU10K3V3
IOT
20 GPIO7
IOT
PU10K3V3
21
GPIO8
PU10K3V3 IOT
22
GPIO9
IOT
PU10K3V3
23
GND
-
PWR
24
SUS_S3# O
25/25mA -
25
12V -
- PWR
26
SUS_S4# O
25/25mA -
27 PWR_OK -
25/25mA O
28 SUS_S5# O 25/25mA -
Note 1:
Pull-up to +3V3Dual (+3V3 or SB3V3).
Note 2:
Input to SEMA.
1 2