MC9S12XDP512CAL Freescale, MC9S12XDP512CAL Datasheet - Page 1133
MC9S12XDP512CAL
Manufacturer Part Number
MC9S12XDP512CAL
Description
Manufacturer
Freescale
Datasheet
1.MC9S12XDP512CAL.pdf
(1348 pages)
Specifications of MC9S12XDP512CAL
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
40MHz
Interface Type
CAN/I2C/SCI/SPI
Total Internal Ram Size
32KB
# I/os (max)
91
Number Of Timers - General Purpose
12
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/3.15V
On-chip Adc
2(16-chx10-bit)
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
112
Package Type
LQFP
Program Memory Type
Flash
Program Memory Size
512KB
Lead Free Status / RoHS Status
Compliant
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27.4.2.2.1
The Flash module contains a 16-bit multiple-input signature register (MISR) for each Flash block to
generate a 16-bit signature based on selected Flash array data. If multiple Flash blocks are selected for
simultaneous compression, then the signature from each Flash block is further compressed to generate a
single 16-bit signature. The final 16-bit signature, found in the FDATA registers after the data compress
operation has completed, is based on the following logic equation which is executed on every data
compression cycle during the operation:
where MISR is the content of the internal signature register associated with each Flash block and DATA
is the data to be compressed as shown in
During the data compress operation, the following steps are executed:
Freescale Semiconductor
1. MISR for each Flash block is reset to 0xFFFF.
2. Initialized DATA equal to 0xFFFF is compressed into the MISR for each selected Flash block
3. DATA equal to the selected Flash array data range is read and compressed into the MISR for each
4. DATA equal to the selected Flash array data range is read and compressed into the MISR for each
5. If Flash block 0 is selected for compression, DATA equal to the contents of the MISR for Flash
6. If Flash block 1 is selected for compression, DATA equal to the contents of the MISR for Flash
7. If Flash block 2 is selected for compression, DATA equal to the contents of the MISR for Flash
8. If Flash block 3 is selected for compression, DATA equal to the contents of the MISR for Flash
9. The contents of the MISR for Flash block 0 are written to the FDATA registers.
DATA[0]
which results in the MISR containing 0x0001.
selected Flash block with addresses incrementing.
selected Flash block with addresses decrementing.
block 0 is compressed into the MISR for Flash block 0. If data in Flash block 0 was not selected
for compression, the MISR for Flash block 0 contains 0xFFFF.
block 1 is compressed into the MISR for Flash block 0.
block 2 is compressed into the MISR for Flash block 0.
block 3 is compressed into the MISR for Flash block 0.
+
MISR[15:0] = Q[15:0]
+
= Exclusive-OR
>
D Q
M0
Data Compress Operation
DATA[1]
MISR[15:0] = {MISR[14:0], ^MISR[15,4,2,1]} ^ DATA[15:0]
+
>
D Q
M1
+
DATA[2]
+
Figure 27-27. 16-Bit MISR Diagram
MC9S12XDP512 Data Sheet, Rev. 2.21
>
D Q
M2
+
Figure
DATA[3]
+
>
D Q
27-27.
M3
DATA[4]
+
>
D Q
M4
Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2)
+
DATA[5]
+
>
D Q
M5
...
DATA[15]
+
>
M15
D Q
Eqn. 27-1
1135
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