User's Manual

MRF89XAM9A
DS00000A-page 4 Preliminary © 2011 Microchip Technology Inc.
TABLE 1-1: PIN DESCRIPTION
FIGURE 1-2: MICROCONTROLLER TO MRF89XAM9A INTERFACE
Pin Symbol Type Description
1GNDPower Ground
2 RESET DI Reset Pin
3CSCON
DI Serial Interface Configure Chip Select
4 IRQ0 DO Interrupt Request Output
5 SDI DI Serial Interface Data Input
6 SCK DI Serial Interface Clock
7 SDO DO Serial Interface Data Output
8CSDATA
DI Serial Interface Data Chip Select
9 IRQ1 DO Interrupt Request Output
10 Vin Power Power Supply
11 GND Power Ground
12 GND Power Ground
PIC
®
Microcontroller
I/O
I/O
SDO
SDI
SCK
INTx
INTx
I/O
MRF89XAM9A
CSCON
CSDATA
SDI
SDO
SCK
IRQ0
IRQ1
RESET
V
IN
GND