MCF5282CVM66 Freescale, MCF5282CVM66 Datasheet - Page 85

• Manufacturer Part Number: MCF5282CVM66
• Manufacturer: Freescale

Specifications of MCF5282CVM66

• Cpu Family: MCF528x
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 66MHz
• Interface Type: CAN/I2C/QSPI/UART
• Total Internal Ram Size: 64KB
• # I/os (max): 150
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 3.3V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 256
• Package Type: MA-BGA
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

3.2.4
Each pair of 8-bit accumulator extension fields are concatenated with the corresponding 32-bit
accumulator register to form the 48-bit accumulator. For more information, see
Description.”
Freescale Semiconductor
Accumulator
ACC0U
ACC1U
ACC0L
ACC1L
31–24
23–16
Field
Field
31–0
15–8
7–0
Reset – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Reset – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
BDM: 0x806 (ACC0)
BDM: 0x807 (ACCext01)
W
W
R
R
Accumulator Extension Registers (ACCext01, ACCext23)
0x809 (ACC1)
0x80A (ACC2)
0x80B (ACC3)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Store 32-bits of the result of the MAC operation.
Accumulator 0 upper extension byte
Accumulator 0 lower extension byte
Accumulator 1 upper extension byte
Accumulator 1 lower extension byte
ACC0U
Figure 3-5. Accumulator Extension Register (ACCext01)
Figure 3-4. Accumulator Registers (ACC0–3)
Table 3-6. ACCext01 Field Descriptions
Table 3-5. ACC0–3 Field Descriptions
ACC0L
Accumulator
Description
Description
ACC1U
Enhanced Multiply-Accumulate Unit (EMAC)
8
8
7
7
Section 3.3, “Functional
Access: User read/write
Access: User read/write
6
6
5
5
ACC1L
BDM read/write
BDM read/write
4
4
3
3
2
2
1
1
0
0
3-7