MCF5270CAB100 Freescale Semiconductor, MCF5270CAB100 Datasheet - Page 483

• 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

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