MC68HC908GZ8CFA Freescale Semiconductor, MC68HC908GZ8CFA Datasheet - Page 139
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MC68HC908GZ8CFA
Manufacturer Part Number
MC68HC908GZ8CFA
Description
IC MCU 8K FLASH 8MHZ CAN 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68908GZ8CFJER.pdf
(314 pages)
Specifications of MC68HC908GZ8CFA
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 ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908GZ8CFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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12.12.2 Identifier Registers
The identifiers consist of either 11 bits (ID10–ID0) for the standard, or 29 bits (ID28–ID0) for the extended
format. ID10/28 is the most significant bit and is transmitted first on the bus during the arbitration
procedure. The priority of an identifier is defined to be highest for the smallest binary number.
SRR — Substitute Remote Request
IDE — ID Extended
RTR — Remote Transmission Request
Freescale Semiconductor
Addr.
$05b0
$05b1
$05b2
$05b3
This fixed recessive bit is used only in extended format. It must be set to 1 by the user for transmission
buffers and will be stored as received on the CAN bus for receive buffers.
This flag indicates whether the extended or standard identifier format is applied in this buffer. In case
of a receive buffer, the flag is set as being received and indicates to the CPU how to process the buffer
identifier registers. In case of a transmit buffer, the flag indicates to the MSCAN08 what type of
identifier to send.
This flag reflects the status of the remote transmission request bit in the CAN frame. In case of a
receive buffer, it indicates the status of the received frame and supports the transmission of an
answering frame in software. In case of a transmit buffer, this flag defines the setting of the RTR bit to
be sent.
1 = Extended format, 29 bits
0 = Standard format, 11 bits
1 = Remote frame
0 = Data frame
Register
IDR0
IDR1
IDR2
IDR3
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Figure 12-13. Standard Identifier Mapping
Bit 7
ID10
ID2
= Unimplemented
ID9
ID1
6
ID8
ID0
5
RTR
ID7
4
Programmer’s Model of Message Storage
IDE (=0)
ID6
3
ID5
2
ID4
1
Bit 0
ID3
139
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