MCF5307AI90B Freescale Semiconductor, MCF5307AI90B Datasheet - Page 209

• Manufacturer Part Number: MCF5307AI90B
• Description: IC MPU 32BIT COLDF 90MHZ 208FQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF530xr

Specifications of MCF5307AI90B

• Core Processor: Coldfire V3
• Core Size: 32-Bit
• Speed: 90MHz
• Connectivity: EBI/EMI, I²C, UART/USART
• Peripherals: DMA, POR, WDT
• Number Of I /o: 16
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 208-FQFP
• Maximum Clock Frequency: 90 MHz
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Family Name: MCF5xxx
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 90MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 208
• Package Type: FQFP
• Program Memory Size: 8KB
• Cpu Speed: 90MHz
• Embedded Interface Type: I2C, UART
• Digital Ic Case Style: FQFP
• No. Of Pins: 208
• Supply Voltage Range: 3V To 3.6V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

8.5.2 I
The IFDR, Figure 8-6, provides a programmable prescaler to configure the clock for
bit-rate selection.
Table 8-3 describes IFDR[IC].
7–6
5–0
Bits
—
IC
Name
2
C Frequency Divider Register (IFDR)
Reserved, should be cleared.
I
fall times, bus signals are sampled at the prescaler frequency. The serial bit clock frequency is equal to
BCLK0 divided by the divider shown below. Note that IC can be changed anywhere in a program.
2
C clock rate. Prescales the clock for bit-rate selection. Due to potentially slow SCL and SDA rise and
Address
Reset
Figure 8-6. I
Field
R/W
0x0C
0x0D
0x0A
0x0B
0x0E
0x0F
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
IC
Freescale Semiconductor, Inc.
7
Divider
For More Information On This Product,
Table 8-3. IFDR Field Descriptions
104
128
144
160
192
240
28
30
34
40
44
48
56
68
80
88
—
2
6
C Frequency Divider Register (IFDR)
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Chapter 8. I
0x1C
0x1D
0x1A
0x1B
0x1E
0x1F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
IC
5
Divider
MBAR + 0x284
1152
1280
1536
1920
2304
2560
3072
3840
288
320
384
480
576
640
768
960
0000_0000
Read/Write
2
4
C Module
Description
3
0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
IC
IC
2
Divider
112
128
20
22
24
26
28
32
36
40
48
56
64
72
80
96
1
0x3A
0x3B
0x3C
0x3D
0x3E
0x3F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
Programming Model
0
IC
Divider
1024
1280
1536
1792
2048
160
192
224
256
320
384
448
512
640
768
896
8-7