MC908QB8CDWE Freescale Semiconductor, MC908QB8CDWE Datasheet - Page 204

• Manufacturer Part Number: MC908QB8CDWE
• Description: IC MCU 8BIT 8K FLASH 16-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908QB8CDWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Processor Series: HC08QB
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 14
• Number Of Timers: 4
• Operating Supply Voltage: 3 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• For Use With: DEMO908QB8 - BOARD DEMO FOR MC68HC908QB8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Development Support
A sequence of IREAD or IWRITE commands can access a block of memory sequentially over the full
64-Kbyte memory map.
204
Data Returned
Data Returned
Data Returned
FROM HOST
ECHO
WRITE
Description
Description
Description
Operand
Operand
Operand
Opcode
Opcode
Opcode
WRITE
Table 17-6. IWRITE (Indexed Write) Command
Table 17-4. WRITE (Write Memory) Command
Table 17-5. IREAD (Indexed Read) Command
Write byte to memory
None
$49
Read next 2 bytes in memory from last address accessed
None
$1A
Write to last address accessed + 1
Single data byte
None
$19
2-byte address in high-byte:low-byte order; low byte followed by data byte
Returns contents of next two addresses
ECHO
FROM HOST
FROM HOST
ADDRESS
IREAD
ECHO
IWRITE
HIGH
MC68HC908QB8 Data Sheet, Rev. 3
ADDRESS
IREAD
IWRITE
HIGH
Command Sequence
Command Sequence
Command Sequence
ADDRESS
LOW
DATA
ADDRESS
LOW
DATA
DATA
DATA
DATA
RETURN
DATA
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