Hardware Guide

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Rev. 3 Micronet SmartCAM™ - Hardware Guide 38 / 50
Table 9: Standard and Intermediate Model Signal Map (by functionality)
Pin
Signal
Type
Function
Specifications
1
POWER_INPUT
V
Input Power 12V/24V
Typical – 12V/24V
- Minimum continues – 6V (5V for up to
40ms according to ISO7637) Maximum
continues – 32V
-
2
POWER_GND
G
Ground
3
Ignition Input
A
A2D Input
Ignition switch
Typical Min Max
Input Low: VIL 0V -30V 6V
Input High: VIH 12V-24V +8V +32V
4
GND
G
Ground
5
Automotive Input
I
Typical Min Max
Input Low: VIL 0V -30V 6V
Input High: VIH 12V-24V +8V +30V
0V-30V max, 12k OHM
6
O.C. Output
O
Open Collector
Output
Max. switchable current = 300mA Max.
switchable voltage = +VIN
Max. saturation voltage = 0.6V
7
RS232_TX
O
Transmit Data
(COM1)
EIA-RS232 Level
8
RS232_TX_DBG
O
Transmit Data DBG
MCU Debug port EIA-RS232 level
9
RS232_RX_DBG
I
Receive Data DBG
MCU Debug Port EIA-RS232 level
10
GND
G
Ground
11
RS232_RX
I
Receive Data
(COM1)
EIA-RS232 Level
12
GP I/O
I/O
General-Purpose
Configurable General-Purpose Input / Output