ATZB-900-B0 Datasheet, PDF (13/20 Pages) ATMEL Corporation – ZigBit™ 700/800/900 MHz Wireless Modules

3.3 Pin Configuration
Figure 3-2. ATZB-900-B0 Pinout
Specifications
Table 3-6. Pin descriptions
Connector
Pin
1
2
3
4
5
6
7
8
9,22,23
Pin Name
SPI_CLK
SPI_MISO
SPI_MOSI
GPIO0
GPIO1
GPIO2
OSC32K_OUT
RESET
DGND
10
CPU_CLK
11
I2C_CLK
12
I2C_DATA
13
UART_TXD
14
UART_RXD
15
UART_RTS
Description
I/O
Reserved for stack operation⁽⁴⁾
O
Reserved for stack operation⁽⁴⁾
I/O
Reserved for stack operation⁽⁴⁾
I/O
General Purpose digital Input/Output 0^(2)(3)(4)(7) I/O
General Purpose digital Input/Output 1^(2)(3)(4)(7) I/O
General Purpose digital Input/Output 2^(2)(3)(4)(7) I/O
32.768 kHz clock output⁽⁴⁾⁽⁵⁾
O
Reset input (active low)⁽⁴⁾
Digital Ground
RF clock output. When module is in active state,
4 MHz signal is present on this line. While module
is in the sleeping state, clock generation is also
O
stopped⁽⁴⁾.
I²C serial clock output^(2)(3)(4)(7)
O
I²C serial clock input/output^(2)(3)(4)(7)
I/O
UART transmit output^{(1)(2)(3)(4)(7)}
O
UART receive input^{(1)(2)(3)(4)(7)}
I
RTS input (Request To send) for UART hardware
flow control. Active low^(2)(3)(4)(7)
I
Default
State after
Power on
tri-state
tri-state
tri-state
tri-state
tri-state
tri-state
tri-state
tri-state
ZigBit™ 700/800/900 MHz Wireless Modules
3-6
8227C–MCU Wireless–06/09