MC68HC908QT2CPE Freescale, MC68HC908QT2CPE Datasheet - Page 146
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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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Development Support
A sequence of IREAD or IWRITE commands can access a block of memory sequentially over the full
64-Kbyte memory map.
146
Data Returned
Data Returned
Data Returned
FROM HOST
Description
Description
Description
ECHO
WRITE
Operand
Operand
Operand
Opcode
Opcode
Opcode
WRITE
Table 15-6. IWRITE (Indexed Write) Command
Table 15-4. WRITE (Write Memory) Command
Table 15-5. IREAD (Indexed Read) Command
Write byte to memory
2-byte address in high-byte:low-byte order; low byte followed by
data byte
None
$49
Read next 2 bytes in memory from last address accessed
None
Returns contents of next two addresses
$1A
Write to last address accessed + 1
Single data byte
None
$19
ECHO
FROM HOST
FROM HOST
ADDRESS
MC68HC908QY/QT Family Data Sheet, Rev. 6
IREAD
ECHO
IWRITE
HIGH
ADDRESS
IREAD
IWRITE
Command Sequence
Command Sequence
Command Sequence
HIGH
ADDRESS
LOW
DATA
ADDRESS
LOW
DATA
DATA
DATA
DATA
RETURN
DATA
Freescale Semiconductor
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