MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 541
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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29.1.3 Modes of Operation
The JTAG_EN pin can select between the following modes of operation:
29.2 External Signal Description
The JTAG module has five input and one output external signals, as described in
29.2.1 JTAG Enable (JTAG_EN)
The JTAG_EN pin selects between the Debug module and JTAG. If JTAG_EN is low, the Debug
module is selected; if it is high, the JTAG is selected.
selected depending upon JTAG_EN logic state.
When one module is selected, the inputs into the other module are disabled or forced to a known
logic level as shown in
Freescale Semiconductor
• JTAG mode
• BDM - background debug mode (For more information, refer to
TRST/DSCLK
TMS/BKPT
TDO/DSO
JTAG_EN
TDI/DSI
“Background Debug Mode
Name
TCLK
Module selected
Pin Function
Direction
Output
Input
Input
Input
Input
Input
Table
JTAG Test data output / BDM Development serial output
JTAG Test reset input / BDM Development serial clock
JTAG Test data input / BDM Development serial input
29-3, in order to disable the corresponding module.
Table 29-2. Pin Function Selected
Table 29-1. Signal Properties
JTAG Test mode select / BDM Breakpoint
MCF5271 Reference Manual, Rev. 2
(BDM)).”
JTAG_EN = 0
DSCLK
BKPT
JTAG/BDM selector input
BDM
DSO
DSI
—
JTAG Test clock input
Function
JTAG_EN = 1
Table 29-2
TCLK
TRST
JTAG
TMS
TDO
TDI
summarizes the pin function
Section 30.5,
Reset State
Pin Name
DSCLK
Hi-Z / 0
TCLK
BKPT
DSO
DSI
—
—
—
—
—
—
External Signal Description
Table
Pull up
Active
Active
Active
Active
29-1.
—
—
29-3
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