MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 153
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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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sign of this error count determines the direction taken by the calibration D/A to update the
calibration current. After obtaining the error count for the present iteration, both counters are
cleared. The stored count of COUNT0 is preserved while a new feedback count is obtained, and
the process to determine the error count is repeated. The calibration system repeats this process
eight times, once for each bit of the calibration D/A.
After the last decision is made the CALDONE bit of the SYNSR is set. If an error occurs during
the calibration routine, then CALPASS is immediately cleared. If the routine completed
successfully then CALPASS remains set.
Figure 7-7
Figure 7-8
Freescale Semiconductor
Reference Counter
shows a flow chart showing the steps taken by the calibration circuit.
shows a block diagram of the calibration circuitry and its associated registers.
ICO Counter
Control
Figure 7-7. FM Auto-Calibration Data Flow
13
MCF5271 Reference Manual, Rev. 2
Count 0
A
13
A–B=
delta
count
10
B
13
Expected (EXP)
C
C–D=error count
10
D
Error (ERR)
Functional Description
10
7-19
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