MC68HC908GT8CFB Freescale Semiconductor, MC68HC908GT8CFB Datasheet - Page 250

• Manufacturer Part Number: MC68HC908GT8CFB
• Description: IC MCU 8K FLASH 8MHZ 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GT8CFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 34
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Development Support
A brief description of each monitor mode command is given in
250
Data Returned
3
SENT TO MONITOR
ECHO
Notes:
Description
ECHO
Notes:
4
ECHO
WRITE
1 = Echo delay, approximately 2 bit times
2 = Cancel command delay, 11 bit times
3 = Wait 1 bit time before sending next byte.
FROM
HOST
1 = Echo delay, approximately 2 bit times
2 = Data return delay, approximately 2 bit times
3 = Cancel command delay, 11 bit times
4 = Wait 1 bit time before sending next byte.
Operand
FROM
HOST
Opcode
READ
READ
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
1
1
WRITE
READ
READ
Table 19-3. READ (Read Memory) Command
Read byte from memory
2-byte address in high-byte:low-byte order
Returns contents of specified address
$4A
3
ADDRESS
4
HIGH
ADDRESS
ADDRESS
Figure 19-15. Read Transaction
Figure 19-16. Write Transaction
HIGH
HIGH
1
ADDRESS
1
HIGH
ADDRESS
ADDRESS
Command Sequence
HIGH
HIGH
3
ADDRESS
4
LOW
ADDRESS
ADDRESS
LOW
LOW
1
ADDRESS
1
LOW
ADDRESS
ADDRESS
LOW
LOW
Table 19-3
3
DATA
3, 2
1
through
DATA
DATA
DATA
Table
RETURN
4
RETURN
Freescale Semiconductor
2, 3
19-7.