MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 228
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
-
Available stocks
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Chip-Select Operation
10.3.1.1 8-, 16-, and 32-Bit Port Sizing
Static bus sizing is programmable through the port size bits, CSCR[PS]. See
Section 10.4.1.3, “Chip-Select Control Registers (CSCR0–CSCR7).” Figure 10-1 shows
the correspondence between data byte lanes and the external chip-select memory. Note that
all lanes are driven, although unused lines are undefined.
10.3.1.2 Global Chip-Select Operation
CS0, the global (boot) chip select, allows address decoding for boot ROM before system
initialization. Its operation differs from other external chip-select outputs after system reset.
After system reset, CS0 is asserted for every external access. No other chip-select can be
used until the valid bit, CSMR0[V], is set, at which point CS0 functions as configured and
CS[7:1] can be used. At reset, the port size and automatic acknowledge functions of the
global chip-select are determined by the logic levels of the inputs on D[7:5]. Table 10-4 and
Table 10-5list the various reset encodings for the configuration signals multiplexed with
D[7:5].
Provided the required address range is in the chip-select address register (CSAR0), CS0 can
10-4
Figure 10-1. Connections for External Memory Port Sizes
Table 10-4. D7/AA, Automatic Acknowledge of Boot CS0
Table 10-5. D[6:5]/PS[1:0], Port Size of Boot CS0
32-bit port
16-bit port
Freescale Semiconductor, Inc.
8-bit port
data bus
External
memory
memory
memory
D[6:5]/PS[1:0]
For More Information On This Product,
D7/AA
0
1
00
01
1x
Go to: www.freescale.com
MCF5307 User’s Manual
D[31:24]
Byte 0
Byte 0
Byte 2
Byte 0
Byte 1
Byte 2
Byte 3
Disabled
Enable with 15 wait states
BE0
Boot CS0 AA Configuration at Reset
D[23:16]
Byte 1
Byte 1
Byte 3
BE1
Boot CS0 Port Size at Reset
Driven, undefined
D[15:8]
Byte 2
Driven, undefined
32-bit port
16-bit port
8-bit port
BE2
Byte 3
D[7:0]
BE3
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