mc68hc908qf4 Freescale Semiconductor, Inc, mc68hc908qf4 Datasheet - Page 19

• Manufacturer Part Number: mc68hc908qf4
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908QF4 — Rev. 1.0
MOTOROLA
PTB[0:7] 8 general-purpose I/O ports
Name
PTA2
PTA3
PTA4
PTA5
Pin
10
11
12
13
14
15
16
17
18
19
Pin
6
7
8
9
Freescale Semiconductor, Inc.
For More Information On This Product,
PTA2 — General purpose input-only port
IRQ — External interrupt with programmable pullup
and Schmitt trigger input
KBI2 — Keyboard interrupt input 2
PTA3 — General purpose I/O port
RST — Reset input, active low with internal pullup and Schmitt trigger
KBI3 — Keyboard interrupt input 3
PTA4 — General purpose I/O port
OSC2 —XTAL oscillator output (XTAL option only)
KBI4 — Keyboard interrupt input 4
PTA5 — General purpose I/O port
OSC1 —XTAL, RC, or external oscillator input
KBI5 — Keyboard interrupt input 5
RC or internal oscillator output (OSC2EN = 1 in PTAPUE register)
Function
DATACLK
ENABLE
GNDRF
RFOUT
XTAL1
XTAL0
MODE
REXT
CFSK
BAND
DATA
GND
V
V
CC
CC
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Table 1-1. Pin Functions (Continued)
General Description
Table 1-2. UHF Transmitter Pins
Ground
Reference oscillator input
Reference oscillator output
Output amplifier current setting resistor
FSK switch output
Power supply
Power amplifier output
Power amplifier ground
Power supply
Enable input
Modulation type selection input
Frequency band selection
Data input
Clock output to the microcontroller
Description
Description
General Description
Pin Functions
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Output
Output
Data Sheet
Input
Input
Input
Input
Input
Input
Input
Input
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