MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 303
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MC9S12E128CPV
Manufacturer Part Number
MC9S12E128CPV
Description
Microcontrollers (MCU) 16 Bit 16MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12E128CPV.pdf
(606 pages)
Specifications of MC9S12E128CPV
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
LQFP-112
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
Lead Free Status / Rohs Status
No RoHS Version Available
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12E128CPVE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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10.3.2.2
Read and write anytime
Freescale Semiconductor
IBC[7:0]
Reset
Field
7:0
W
R
IBC7
I Bus Clock Rate 7:0 — This field is used to prescale the clock for bit rate selection. The bit clock generator is
implemented as a prescale divider — IBC7:6, prescaled shift register — IBC5:3 select the prescaler divider and
IBC2-0 select the shift register tap point. The IBC bits are decoded to give the tap and prescale values as shown
in
IIC Frequency Divider Register (IBFD)
0
7
Table
10-4.
IBC5-3
(bin)
000
001
010
011
100
101
110
111
IBC6
Figure 10-3. IIC Bus Frequency Divider Register (IBFD)
= Unimplemented or Reserved
0
6
Table 10-4. I-Bus Tap and Prescale Values
scl2start
(clocks)
IBC2-0
Table 10-3. IBFD Field Descriptions
(bin)
000
001
010
011
100
101
110
111
126
14
30
62
IBC5
2
2
2
6
MC9S12E128 Data Sheet, Rev. 1.07
0
5
IBC4
scl2stop
SCL Tap
(clocks)
(clocks)
0
4
129
10
12
15
17
33
65
5
6
7
8
9
7
7
9
9
Description
IBC3
0
3
SDA Tap
(clocks)
(clocks)
scl2tap
126
14
30
62
1
1
2
2
3
3
4
4
4
4
6
6
Chapter 10 Inter-Integrated Circuit (IICV2)
IBC2
0
2
(clocks)
tap2tap
128
16
32
64
1
2
4
8
IBC1
0
1
IBC0
0
0
303
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