MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 323
MCF5270CAB100
Manufacturer Part Number
MCF5270CAB100
Description
MCU V2 COLDFIRE 64K SRAM 160-QFP
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Specifications of MCF5270CAB100
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
100MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART
Peripherals
DMA, WDT
Number Of I /o
39
Program Memory Type
ROMless
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
160-QFP
Processor Series
MCF527x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5272-KIT, NNDK-MOD5270-KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5270CAB100
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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18.3
The DRAM controller registers memory map is shown in
18.3.1 DRAM Control Register (DCR)
The DCR, shown in
Freescale Semiconductor
Address
Reset
15–14
Bits
13
W
R
Memory Map/Register Definition
0x00_004C
0x00_0040
0x00_0044
0x00_0048
0x00_0050
0x00_0054
15
IPSBAR
0
0
Offset
Name
NAM
14
0
0
—
Figure
NAM COC
—
13
Reserved, should be cleared.
No address multiplexing. Some implementations require external multiplexing. For
example, when linear addressing is required, the SDRAM should not multiplex addresses
on SDRAM accesses.
0 The SDRAM controller multiplexes the external address bus to provide column
1 The SDRAM controller does not multiplex the external address bus to provide column
Figure 18-2. DRAM Control Register (DCR)
DRAM control register (DCR)
addresses.
addresses.
[31:24]
Table 18-3. DRAM Controller Registers
18-2, controls refresh logic.
—
12
Table 18-4. DCR Field Descriptions
—
IS
11
MCF5271 Reference Manual, Rev. 2
DRAM address and control register 0 (DACR0)
DRAM address and control register 1 (DACR1)
—
10
RTIM
DRAM mask register block 0 (DMR0)
DRAM mask register block 1 (DMR1)
[23:16]
—
IPSBAR + 0x00_0040
9
—
8
—
—
Description
7
Table
—
6
[15:8]
18-3.
—
5
RC
—
—
4
Memory Map/Register Definition
—
3
[7:0]
—
2
—
1
—
0
18-5
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