MC68HC908JB8JPE Freescale Semiconductor, MC68HC908JB8JPE Datasheet - Page 170

• Manufacturer Part Number: MC68HC908JB8JPE
• Description: IC MCU FLASH 8BIT 8K 20-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JB8JPE

• 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-DIP (0.300", 7.62mm)
• Controller Family/series: HC08
• No. Of I/o's: 13
• Ram Memory Size: 256Byte
• Cpu Speed: 3MHz
• No. Of Timers: 1
• Embedded Interface Type: USB
• Rohs Compliant: Yes
• Processor Series: HC08JB
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: USB
• Maximum Clock Frequency: 3 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Monitor ROM (MON)
10.4.3 Data Format
10.4.4 Echoing
Technical Data
170
Communication with the monitor ROM is in standard non-return-to-zero
(NRZ) mark/space data format. (See
The data transmit and receive rate can be anywhere from 4800 baud to
28.8k-baud. Transmit and receive baud rates must be identical.
As shown in
received byte back to the PTA0 pin for error checking.
Any result of a command appears after the echo of the last byte of the
command.
BREAK
SENT TO
MONITOR
$A5
ECHO
START
BIT
START
START
BIT
BIT
BIT 0
READ
Figure
BIT 0
BIT 0
Figure 10-4. Sample Monitor Waveforms
Monitor ROM (MON)
BIT 1
Figure 10-3. Monitor Data Format
BIT 1
BIT 1
Figure 10-5. Read Transaction
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
10-5, the monitor ROM immediately echoes each
READ
BIT 2
BIT 2
BIT 2
BIT 3
ADDR. HIGH
BIT 3
BIT 3
BIT 4
BIT 4
BIT 4
ADDR. HIGH ADDR. LOW
Figure 10-3
BIT 5
BIT 5
BIT 5
BIT 6
BIT 6
BIT 6
BIT 7
and
Freescale Semiconductor
BIT 7
BIT 7
ADDR. LOW
STOP
Figure
BIT
STOP
STOP
BIT
BIT
START
NEXT
BIT
START
START
NEXT
NEXT
10-4.)
BIT
BIT
RESULT
DATA