MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 483
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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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25.5.2 I
The I2FDR, shown in
for bit-rate selection.
Freescale Semiconductor
Bits
7–6
5–0
2
C Frequency Divider Register (I2FDR)
Name
Address
—
IC
Reset
Figure 25-10. I
Figure
W
R
Reserved, should be cleared.
I
equal to the internal bus clock divided by the divider shown below. Due to potentially slow
I2C_SCL and I2C_SDA rise and fall times, bus signals are sampled at the prescaler
frequency.
2
C clock rate. Prescales the clock for bit-rate selection. The serial bit clock frequency is
0
0
7
Table 25-3. I2FDR Field Descriptions
25-10, provides a programmable prescaler to configure the I
0x0A
0x0B
0x0C
0x0D
0x0E
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0F
IC
MCF5271 Reference Manual, Rev. 2
0
0
6
2
Divider
C Frequency Divider Register (I2FDR)
104
128
144
160
192
240
28
30
34
40
44
48
56
68
80
88
0
5
IPSBAR + 0x00_0304
0x1C
0x1D
0x1A
0x1B
0x1E
0x1F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
IC
0
4
Divider
1152
1280
1536
1920
2304
2560
3072
3840
288
320
384
480
576
640
768
960
Description
0
3
IC
0x2A
0x2B
0x2C
0x2D
0x2E
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2F
IC
2
0
Divider
128
112
0
20
22
24
26
28
32
36
40
48
56
64
72
80
96
1
Memory Map/Register Definition
0
0
0x3A
0x3B
0x3C
0x3D
0x3E
0x3F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
IC
Divider
1024
1280
1536
1792
2048
160
192
224
256
320
384
448
512
640
768
896
2
C clock
25-9
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