MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 415
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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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22.2.9 DMA Timer Reference Registers (DTRRn)
Each DTRRn, shown in
free-running timer counter (DTCNn) as part of the output-compare function. The reference value
is not matched until DTCNn equals DTRRn, and the prescaler indicates that DTCNn should be
incremented again. Thus, the reference register is matched after DTRRn+1 time intervals.
Freescale Semiconductor
Bits
7–2
1
0
Name
REF
CAP
—
Reserved, should be cleared.
Output reference event. The counter value, DTCNn, equals the reference value, DTRRn.
Writing a one to REF clears the event condition. Writing a zero has no effect.
Capture event. The counter value has been latched into DTCRn. Writing a one to CAP
clears the event condition. Writing a zero has no effect.
Figure
Table 22-4. DTERn Field Descriptions
CAP
0
1
1
1
1
1
1
1
1
22-5, contains the reference value compared with the respective
REF
0
1
1
1
1
MCF5271 Reference Manual, Rev. 2
DTMRn[CE]
00
00
01
01
10
10
11
11
DTMRn[ORRI]
X
X
0
0
1
1
[DMAEN]
DTXMRn
X
0
1
0
1
0
1
0
1
DTXMRn[DMAEN]
Description
Capture on falling edge & trigger interrupt
Capture on rising edge & trigger interrupt
Capture on any edge & trigger interrupt
Capture on falling edge & trigger DMA
Capture on rising edge & trigger DMA
X
Capture on any edge & trigger DMA
0
1
0
1
Disable capture event output
Disable capture event output
Interrupt request asserted
No event
DMA request asserted
No request asserted
No request asserted
Memory Map/Register Definition
No event
22-7
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