MC9S12XA512CAG Freescale Semiconductor, MC9S12XA512CAG Datasheet - Page 399
![IC MCU 512K FLASH 144-LQFP](/photos/12/38/123875/mc9s12xa512cag_sml.jpg)
MC9S12XA512CAG
Manufacturer Part Number
MC9S12XA512CAG
Description
IC MCU 512K FLASH 144-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12XA512CAG
Core Processor
HCS12X
Core Size
16-Bit
Speed
80MHz
Connectivity
EBI/EMI, I²C, IrDA, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
119
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
S12XA
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
32 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
119
Number Of Timers
12
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12XDP512E
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (10 bit, 24 Channel)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12XA512CAG
Manufacturer:
Freescale
Quantity:
490
Company:
Part Number:
MC9S12XA512CAG
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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9.3.2.2
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
9-3.
IBC5-3
(bin)
000
001
010
011
100
101
110
111
IBC6
= Unimplemented or Reserved
0
6
Figure 9-4. IIC Bus Frequency Divider Register (IBFD)
Table 9-3. I-Bus Tap and Prescale Values
scl2start
(clocks)
IBC2-0
(bin)
Table 9-2. IBFD Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.21
000
001
010
011
100
101
110
111
126
14
30
62
IBC5
2
2
2
6
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
Chapter 9 Inter-Integrated Circuit (IICV2) Block 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
IBC2
0
2
(clocks)
tap2tap
128
16
32
64
1
2
4
8
IBC1
0
1
IBC0
0
0
399
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