MC68HC908JB8JDW Freescale Semiconductor, MC68HC908JB8JDW Datasheet - Page 172

• Manufacturer Part Number: MC68HC908JB8JDW
• Description: IC MCU 8K FLASH 3MHZ 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JB8JDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• 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): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

Monitor ROM (MON)
Technical Data
172
Description
Operand
Data Returned
Opcode
Command Sequence
Description
Operand
Data Returned
Opcode
Command Sequence
SENT TO
MONITOR
SENT TO
MONITOR
ECHO
ECHO
WRITE
READ
WRITE
Read byte from memory
Specifies 2-byte address in high byte:low byte order
Returns contents of specified address
$4A
Write byte to memory
Specifies 2-byte address in high byte:low byte order; low byte followed by data byte
None
$49
Table 10-5. WRITE (Write Memory) Command
Table 10-4. READ (Read Memory) Command
READ
ADDR. HIGH
ADDR. HIGH
ADDR. HIGH
Monitor ROM (MON)
ADDR. HIGH
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
ADDR. LOW
ADDR. LOW
ADDR. LOW
ADDR. LOW
DATA
Freescale Semiconductor
RESULT
DATA
DATA