mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 458

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

I
24.2.3
I2CR enables the I
a master.
24-4
2
C Interface
Field
7–6
5–0
IC
IPSBAR
Offset:
Reset:
Reserved, must be cleared.
I
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.
W
2
R
C clock rate. Prescales the clock for bit-rate selection. The serial bit clock frequency is equal to the internal bus
I
0x00_0304 (I2FDR)
2
C Control Register (I2CR)
0
0
7
2
C module and the I
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
0x0C
0x0D
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0E
0x0F
IC
Figure 24-3. I
6
0
0
Divider
104
128
144
160
192
240
28
30
34
40
44
48
56
68
80
88
Table 24-3. I2FDR Field Descriptions
2
C interrupt. It also contains bits that govern operation as a slave or
0
2
5
C Frequency Divider Register (I2FDR)
0x1A
0x1B
0x1C
0x1D
0x1E
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1F
IC
Divider
1152
1280
1536
1920
2304
2560
3072
3840
288
320
384
480
576
640
768
960
0
4
Description
0x2C
0x2D
0x2A
0x2B
0x2E
0x2F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
IC
0
3
Divider
IC
112
128
20
22
24
26
28
32
36
40
48
56
64
72
80
96
0
2
0x3A
0x3B
0x3C
0x3D
0x3E
0x30
0x31
0x32
0x33
0x34
0x35
0x36
0x37
0x38
0x39
0x3F
IC
Access: User read/write
Divider
Freescale Semiconductor
1024
1280
1536
1792
2048
0
160
192
224
256
320
384
448
512
640
768
896
1
0
0