Rev. 6.2
Micronet SmarTab 8 – Hardware Guide
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11
RS232_RX5
I
Receive Data DBG
MCU Debug Port EIA-RS232 Level
12
RS232_RX1
I
Receive Data (COM1)
EIA-RS232 Level
13
GND
G
Ground
14
Automotive Input
I
Digital Input 1
Typical Min Max
Input Low: VIL 0V -30V 6V
Input High: VIH 12V-24V +8V +30V
0V-30V max, 12k OHM
15
N/A
Secondary Connector Pinout
Figure 13: Secondary 26-pin Male D’sub connector
Pinout by Pin Number
The following table lists the 26-pin D’sub connector signals by PIN.
Table 6:
Secondary Connector Signal Map (by Pin Number)
Pin
Signal
Type
Function
Specifications
1
S
P
Speaker Positive Signal
Pin
Signal
Type
Function
Specifications
2
Automotive Input
I
Digital Input 6
Same as Input 1
3
Automotive Input
I
Digital Input 4
Same as Input 1
4
Automotive Input
I
Digital Input 2
Same as Input 1
