MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 292
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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Chip Select Module
16.2.3 Byte Strobes (BS[3:0])
These signals are individually programmed through the byte-enable mode bit, CSCRn[BEM],
described in
These generated signals provide byte data select signals, which are decoded from the transfer size,
A1, and A0 signals in addition to the programmed port size and burstability of the memory
accessed, as shown below.
The below table also shows the interaction of the byte-enable/byte-write enables with related
signals.
16-2
Transfer Size
Longword
Section 16.4.1.3, “Chip Select Control Registers
Word
Byte
Table 16-1. Byte Enables/Byte Write Enable Signal Settings
Port Size
16-bit
32-bit
16-bit
32-bit
16-bit
32-bit
8-bit
8-bit
8-bit
MCF5271 Reference Manual, Rev. 2
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
0
1
1
0
1
0
A0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
1
0
1
0
0
0
D[31:24]
BS3
0
0
0
0
0
1
0
1
0
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
D[23:16]
BS2
1
1
1
1
1
0
1
0
1
0
1
1
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
(CSCR0–CSCR7).”
D[15:8]
BS1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
0
Freescale Semiconductor
D[7:0]
BS0
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
0
1
1
1
1
1
1
0
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