MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 284
MCF5307CFT66B
Manufacturer Part Number
MCF5307CFT66B
Description
IC MPU 32BIT 66MHZ COLDF 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets
1.MCF5307AI66B.pdf
(484 pages)
2.MCF5307AI66B.pdf
(16 pages)
3.MCF5307AI66B.pdf
(2 pages)
Specifications of MCF5307CFT66B
Core Processor
Coldfire V3
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, POR, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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DMA Controller Module Programming Model
12.4.1 Source Address Registers (SAR0–SAR3)
SARn, Figure 12-4, contains the address from which the DMA controller requests data. In
single-address mode, SARn provides the address regardless of the direction.
1
Address
12-6
Channel
Reset
On the original MCF5307 mask set (H55J), the BCR of the DMA channels can accommodate only 16 bits.
However, because the revised MCF5307 supports a 24-bit byte count range, the position of the BCR in the
memory map depends on whether a 16- or 24-bit byte counter is selected. The 24-bit byte count can be
selected by setting BCR24BIT = 1, making DCR[AT] available. The AT bit selects whether DMA channels
assert acknowledge during the entire transfer or only at the final transfer of a DMA transaction.
New applications should take advantage of the full range of the 24-bit byte counter, including the AT bit. The
16-bit byte count option (BCR24BIT = 0) retains compatibility with older MCF5307 revisions.
DMA
Field
R/W
3
Table 12-2. Memory Map for DMA Controller Module Registers (Continued)
31
0x3CC
0x3CC
MBAR
Offset
0x3C0
0x3C4
0x3C8
0x3D0
0x3D4
External masters cannot access MCF5307 on-chip memories or
MBAR, but they can access DMA module registers.
SAR/DAR address ranges cannot be programmed to on-chip
SRAM because it cannot be accessed by on-chip DMA.
DMA status register 3
DMA interrupt vector
register 3 (DIVR3)
(DSR3) [p. 12-10]
Byte count register 3 (BCR24BIT = 0)
Figure 12-4. Source Address Registers (SARn)
Reserved
[p. 12-11]
[31:24]
Freescale Semiconductor, Inc.
For More Information On This Product,
0000_0000_0000_0000_0000_0000_0000_0000
Go to: www.freescale.com
MBAR + 0x300, 0x340, 0x380, 0x3C0
MCF5307 User’s Manual
Destination address register 3 (DAR3) [p. 12-7]
Source address register 3 (SAR3) [p. 12-6]
DMA control register 3 (DCR3) [p. 12-8]
Byte count register 3 (BCR24BIT = 1)
[23:16]
NOTE:
NOTE:
SAR
R/W
1
Reserved
Reserved
[15:8]
Reserved
1
(BCR3) [p. 12-7]
[7:0]
0
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