MC56F8257MLH Freescale Semiconductor, MC56F8257MLH Datasheet - Page 440

• Manufacturer Part Number: MC56F8257MLH
• Description: DSC 64K FLASH 60MHZ 64-LQFP
• Manufacturer: Freescale Semiconductor
• Series: 56F8xxxr

Specifications of MC56F8257MLH

• Core Processor: 56800E
• Core Size: 16-Bit
• Speed: 60MHz
• Connectivity: CAN, I²C, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Ram Size: 4K x 16
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x12b, D/A 1x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 64-LQFP
• Product: DSCs
• Processor Series: 56800E
• Core: 56800E
• Device Million Instructions Per Second: 60 MIPs
• Maximum Clock Frequency: 60 MHz
• Number Of Programmable I/os: 54
• Data Ram Size: 8 KB
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Memory Map and Register Definition
13.3.11 MSCAN Transmitter Message Abort Acknowledge Register
The CAN_TAAK register indicates the successful abort of a queued message, if
requested by the appropriate bits in the CAN_TARQ register.
Read: Anytime
Write: Unimplemented for ABTAK flags
Address: CAN_TAAK – F440h base + 9h offset = F449h
440
Reset
Read
Write
Bit
Reserved
ABTAK
15–3
Field
Field
2–0
15
0
(CAN_TAAK)
14
The CAN_TAAK register is held in the reset state when the
initialization mode is active (INITRQ=1 and INITAK=1).
0
0
1
This read-only bitfield is reserved and always has the value zero.
Abort Acknowledge
This flag acknowledges that a message was aborted due to a pending abort request from the CPU. After
a particular message buffer is flagged empty, this flag can be used by the application software to identify
whether the message was aborted successfully or was sent anyway. The ABTAKx flag is cleared
whenever the corresponding TXE flag is cleared.
0
1
No abort request
Abort request pending
The message was not aborted.
The message was aborted.
13
0
12
0
CAN_TARQ field descriptions (continued)
MC56F825x/4x Reference Manual, Rev. 2, 10/2010
11
0
CAN_TAAK field descriptions
10
0
0
0
9
Preliminary
NOTE
0
8
Description
Description
0
7
0
6
0
5
0
4
0
3
Freescale Semiconductor
0
2
ABTAK
0
1
0
0