MRF24J40MB-I Datasheet, PDF (55/156 Pages) Microchip Technology – IEEE 802.15.4™ 2.4 GHz RF Transceiver

MRF24J40
REGISTER 2-47: GPIO: GPIO PORT REGISTER (ADDRESS: 0x33)
R/W-0
r
bit 7
R/W-0
r
R/W-0
GPIO5
R/W-0
GPIO4
R/W-0
GPIO3
R/W-0
GPIO2
R/W-0
GPIO1
R/W-0
GPIO0
bit 0
Legend:
R = Readable bit
-n = Value at POR
r = reserved
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Reserved: Maintain as ‘0’
GPIO5: General Purpose I/O GPIO5 bit
GPIO4: General Purpose I/O GPIO4 bit
GPIO3: General Purpose I/O GPIO3 bit
GPIO2: General Purpose I/O GPIO2 bit
GPIO1: General Purpose I/O GPIO1 bit
GPIO0: General Purpose I/O GPIO0 bit
REGISTER 2-48: TRISGPIO: GPIO PIN DIRECTION REGISTER (ADDRESS: 0x34)
R/W-0
r
bit 7
R/W-0
r
R/W-0
TRISGP5
R/W-0
TRISGP4
R/W-0
TRISGP3
R/W-0
TRISGP2
R/W-0
TRISGP1
R/W-0
TRISGP0
bit 0
Legend:
R = Readable bit
-n = Value at POR
r = reserved
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Reserved: Maintain as ‘0’
TRISGP5: General Purpose I/O GPIO5 Direction bit
1 = Output
0 = Input (default)
TRISGP4: General Purpose I/O GPIO4 Direction bit
1 = Output
0 = Input (default)
TRISGP3: General Purpose I/O GPIO3 Direction bit
1 = Output
0 = Input (default)
TRISGP2: General Purpose I/O GPIO2 Direction bit
1 = Output
0 = Input (default)
TRISGP1: General Purpose I/O GPIO1 Direction bit
1 = Output
0 = Input (default)
TRISGP0: General Purpose I/O GPIO0 Direction bit
1 = Output
0 = Input (default)
© 2010 Microchip Technology Inc.
Preliminary
DS39776C-page 55