User Manual
MPR/MIB User’s Manual
Wireless Sensor Networks
Doc. # 7430-0021-06 Rev. A Page 35
11.2.1 MICAz and MICA2 Sensor Interface.
Table 11-2. MICAz Sensor Interface.
Pin Name Description Pin Name Description
1 GND Ground
27
…
UART_RXDO UART_0 Receive
2 VSNR Sensor Supply
28
…
UART_TXDO UART_0 Transmit
3 INT3 GPIO 29 PWO GPIO/PWM
4 INT2 GPIO 30 PW1 GPIO/PWM
5 INT1 GPIO 31 PW2 GPIO/PWM
6 INT0 GPIO 32 PW3 GPIO/PWM
7
……
CC_CCA Radio Signal 33 PW4 GPIO/PWM
8
…
LED3 Green LED 34 PW5 GPIO/PWM
9
…
LED2 Yellow LED 35 PW6 GPIO/PWM
10
…
LED1 Red LED
36
…
ADC7 ADC CH7, JTAG TDI
11 RD GPIO
37
…
ADC6 ADC CH6, JTAG TDO
12 WR GPIO
38
…
ADC5 ADC CH5, JTAG
13 ALE GPIO
39
…
ADC4 ADC CH4, JTAG
14 PW7 GPIO 40 ADC3 GPIO/ADC CH3
15 USART1_CLK USART1 Clock 41 ADC2 GPIO/ADC CH2
16
……
PROG_MOSI Serial Program MOSI
42 ADC1 GPIO/ADC CH1
17
……
PROG_MISO Serial Program MISO
43 ADC0 GPIO/ADC CH0
18
……
SPI_CLK SPI Serial Clock 44 THERM_PWR
Temp Sensor Enable
19 USART1_RXD
USART1 Receive 45 THRU1 Thru Connect 1
20 USART1_TXD USART1 Transmit 46 THRU2 Thru Connect 2
21 I2C_CLK I2C Bus Clock 47 THRU3 Thru Connect 3
22 I2C_DATA I2C Bus Data
48
……
RSTN Reset (Neg.)
23 PWM0 GPIO/PWM0 49 PWM1B GPIO/PWM1B
24 PWMIA GPIO/PWM1A 50 VCC Digital Supply
25 AC+ GPIO/AC+ 51 GND Ground
26 AC- GPIO/AC-
(…OK to use but has shared functionality. ……Do not use)
Table 11-3. MICA2 Sensor Interface.
Pin Name Description Pin Name Description
1 GND Ground
27
…
UART_RXDO UART Receive
2 VSNR Voltage (battery
28
…
UART_TXDO UART Transmit
3 INT3 GPIO 29 PWO GPIO/PWM
4 INT2 GPIO 30 PW1 GPIO/PWM
5 INT1 GPIO 31 PW2 GPIO/PWM
6 INT0 GPIO 32 PW3 GPIO/PWM
7
…
BAT_MON Battery Voltage Monitor
33 PW4 GPIO/PWM
8
…
LED3 Green LED 34 PW5 GPIO/PWM
9
…
LED2 Yellow LED 35 PW6 GPIO/PWM
10
…
LED1 Red LED
36
…
ADC7 GPIO/ADC CH7, JTAG
11 RD GPIO
37
…
ADC6 GPIO/ADC CH6, JTAG
12 WR GPIO
38
…
ADC5 GPIO/ACD CH5, JTAG
13 ALE GPIO
39
…
ADC4 GPIO/ADC CH4, JTAG
14 PW7 GPIO 40 ADC3 GPIO/ADC CH3
15 USART_CLK USART Clock 41 ADC2 GPIO/ADC CH2
16
……
PROG_MOSI Programmer Pin 42 ADC1 GPIO/ADC CH1
17
……
PROG_MISO Programmer Pin 43 ADC0 GPIO/ADC CH0
18
……
SPI_CLK Radio Clock 44 THERM_PWR
GPIO
19 USART1_RXD
USART1 Receive 45 THRU1 Thru User Connect
20 USART1_TXD USART1 Transmit 46 THRU2 Thru User Connect
21 I2C_CLK I2C Bus Clock 47 THRU3 Thru User Connect
22 I2C_DATA I2C Bus Data
48
……
RSTN Micro Processor Reset
23 PWMIO GPIO 49 PWM1B GPIO
24 PWMIA GPIO 50 VCC Voltage (battery)
25 AC+ GPIO 51 GND Ground
26 AC- GPIO
(…OK to use but has shared functionality. ……Do not use)