MC68HC908QY4CDT Freescale Semiconductor, MC68HC908QY4CDT Datasheet - Page 146

• Manufacturer Part Number: MC68HC908QY4CDT
• Description: IC MCU 4K FLASH W/ADC 16-TSSOP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908QY4CDT

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LVD, POR, PWM
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Connectivity: -

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
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