User manual

AREXX Engineering & JM3 Engineering
Version: 1.20 Apr. 20, 2014 page: 12
2.3 Hardware Control Register
Sensor/Item
I2C -
Address
Port #
I2C Module - ON/OFF
0x40
0.0
Sharp_Front_PWR - ON/OFF
0x40
0.1
Sharp_Rear_PWR - ON/OFF
0x40
0.2
Ready Signal I2C buffer (TCA4311A) - Input
0x40
0.3
LED Drive (TCA6507) - ENABLE
0x40
0.4
CAM PWR - ON/OFF
0x40
0.5
Gyro SLEEP/PWR (PD_2) - ON/OFF
0x40
0.6
Gyro TEST (ST_2) – ON/OFF
0x40
0.7
I2C OUT - ENABLE
0x40
1.0
I/O (IO_EXT_PIN1; free)
0x40
1.1
I/O (IO_EXT_PIN2; free)
0x40
1.2
Servo Output inverted (PCA9685) - ENABLE
0x40
1.3
Servo PWR - ON/OFF
0x40
1.4
Magnetometer data ready (LSM303) – DRYD (Input)
0x40
1.5
LED (D2) – ON/OFF
0x40
1.6
Switch (S1) input
0x40
1.7
Hint: If you have more than one I2C Bus module or IC on the buffered I2c bus, then
always all modules must be powered on to read data!!!
Jumper
Description
populated
RTC Interrupt (DS1339) routed to INT3
J2
0R0 (SMD 0805)
Magnetometer INT1 (LSM303) to INT1
J3
0R0 (SMD 0805)
MAX7311 interrupt routed to INT2
J4
0R0 (SMD 0805)
Magnetometer INT2 (LSM303) to INT3
J5
0R0 (SMD 0805)
Sharp Rear (ADC4) routed to PIN3
of the ADC Connector
J6
0R0 (SMD 0805)