MC68HRC908JK3CP Freescale Semiconductor, MC68HRC908JK3CP Datasheet - Page 110
MC68HRC908JK3CP
Manufacturer Part Number
MC68HRC908JK3CP
Description
IC MCU FLASH 8B 8MHZ RC 4K 20DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908JK1CDW.pdf
(212 pages)
Specifications of MC68HRC908JK3CP
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
15
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HRC908JK3CP
Manufacturer:
FREECAL
Quantity:
20 000
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Monitor ROM (MON)
9.4.3 Data Format
9.4.4 Echoing
Technical Data
108
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 PTB0 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 9-4. Sample Monitor Waveforms
Monitor ROM (MON)
BIT 1
Figure 9-3. Monitor Data Format
BIT 1
BIT 1
Figure 9-5. Read Transaction
9-5, 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 9-3
BIT 5
BIT 5
BIT 5
BIT 6
BIT 6
BIT 6
MC68H(R)C908JL3
and
BIT 7
Freescale Semiconductor
BIT 7
BIT 7
Figure
ADDR. LOW
STOP
BIT
STOP
STOP
BIT
BIT
START
NEXT
BIT
9-4.)
START
START
NEXT
NEXT
BIT
BIT
—
RESULT
DATA
Rev. 1.1
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