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MC68HC908RF2 View Datasheet(PDF) - Motorola => Freescale

Part Name
Description
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MC68HC908RF2
Motorola
Motorola => Freescale Motorola
MC68HC908RF2 Datasheet PDF : 254 Pages
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General Description
Pin Assignments
1.5.5 Port A Input/Output Pins (PTA7, PTA6/KBD6PTA1/KBD1, and PTA0)
Port A is an 8-bit special function port that shares its pins with the
keyboard interrupt.
Six port A pins (PTA6PTA1) can be programmed to serve as an
external interrupt. Once enabled, that pin will contain an internal pullup
resistor.
All port A pins are high-current sink pins.
1.5.6 Port B Input/Output Pins (PTB3/TCLK, PTB2/TCH0, PTB1, and PTB0/MCLK)
Port B is a 4-bit, general-purpose, bidirectional I/O port, with some of its
pins shared with the timer (TIM) module.
1.5.7 UHF Transmitter Pins
The MC68HC908RF2 Rev. 1 uses dedicated pins for its UHF module.
These pins are described in Table 1-1.
Table 1-1. UHF Transmitter Pins
Pin
Function
Description
6
GND
Ground
7
XTAL1
Reference oscillator input
8
XTAL0
Reference oscillator output
9
REXT
Output amplifier current setting resistor
10
CFSK
FSK switch output
11
VCC
Power supply
12
RFOUT
Power amplifier output
13
GNDRF Power amplifier ground
14
VCC
Power supply
15
ENABLE Enable input
16
MODE
Modulation type selection input
17
BAND
Frequency band selection
18
DATA
Data input
19
DATACLK Clock output to the microcontroller
MC68HC908RF2 Rev. 1
MOTOROLA
General Description
Advance Information
31
 

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