MC68HC908QT2CPE Freescale, MC68HC908QT2CPE Datasheet - Page 22
MC68HC908QT2CPE
Manufacturer Part Number
MC68HC908QT2CPE
Description
Manufacturer
Freescale
Datasheet
1.MC68HC908QT2CPE.pdf
(184 pages)
Specifications of MC68HC908QT2CPE
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
8MHz
Total Internal Ram Size
128Byte
# I/os (max)
6
Number Of Timers - General Purpose
2
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
4-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Through Hole
Pin Count
8
Package Type
PDIP
Program Memory Type
Flash
Program Memory Size
1.5KB
Lead Free Status / RoHS Status
Compliant
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General Description
1.5 Pin Functions
Table 1-2
22
1. The PTB pins are not available on the 8-pin packages (see note in
PTB[0:7]
Name
PTA0
PTA1
PTA2
PTA3
PTA4
PTA5
V
V
Pin
DD
SS
(1)
provides a description of the pin functions.
Power supply
Power supply ground
PTA0 — General purpose I/O port
AD0 — A/D channel 0 input
TCH0 — Timer Channel 0 I/O
KBI0 — Keyboard interrupt input 0
PTA1 — General purpose I/O port
AD1 — A/D channel 1 input
TCH1 — Timer Channel 1 I/O
KBI1 — Keyboard interrupt input 1
PTA2 — General purpose input-only port
IRQ — External interrupt with programmable pullup and Schmitt trigger input
KBI2 — Keyboard interrupt input 2
TCLK — Timer clock input
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)
AD2 — A/D channel 2 input
KBI4 — Keyboard interrupt input 4
PTA5 — General purpose I/O port
OSC1 — XTAL, RC, or external oscillator input
AD3 — A/D channel 3 input
KBI5 — Keyboard interrupt input 5
8 general-purpose I/O ports
RC or internal oscillator output (OSC2EN = 1 in PTAPUE register)
MC68HC908QY/QT Family Data Sheet, Rev. 6
Table 1-2. Pin Functions
Description
12.1
Introduction).
Freescale Semiconductor
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Output
Output
Power
Power
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
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