MC68908GZ8VFAE Freescale Semiconductor, MC68908GZ8VFAE Datasheet - Page 282
![IC MCU 8BIT 8K FLASH 48-LQFP](/photos/37/62/376278/tqfp-48_sml.jpg)
MC68908GZ8VFAE
Manufacturer Part Number
MC68908GZ8VFAE
Description
IC MCU 8BIT 8K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GZ8CFJER.pdf
(314 pages)
Specifications of MC68908GZ8VFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, LIN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
37
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
48-LQFP
Processor Series
M689xx
Core
HC08
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
ESCI, SPI, UART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68908GZ8VFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Development Support
The monitor ROM firmware echoes each received byte back to the PTA0 pin for error checking. An 11-bit
delay at the end of each command allows the host to send a break character to cancel the command. A
delay of two bit times occurs before each echo and before READ, IREAD, or READSP data is returned.
The data returned by a read command appears after the echo of the last byte of the command.
A brief description of each monitor mode command is given in
282
Data Returned
3
Wait one bit time after each echo before sending the next byte.
FROM HOST
SENT TO MONITOR
ECHO
Notes:
ECHO
Notes:
4
Description
ECHO
1 = Echo delay, approximately 2 bit times
WRITE
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
READ
Opcode
READ
1
1
WRITE
READ
READ
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Table 20-3. 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
Figure 20-13. Read Transaction
Figure 20-14. Write Transaction
Address
HIGH
High
1
ADDRESS
1
HIGH
ADDRESS
Command Sequence
Address
HIGH
High
3
ADDRESS
NOTE
4
LOW
ADDRESS
Address
LOW
Low
1
ADDRESS
1
LOW
ADDRESS
Address
LOW
Low
Table 20-3
3
DATA
3, 2
1
through
DATA
DATA
Data
Table
RETURN
4
RETURN
Freescale Semiconductor
2, 3
20-8.
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