MC9S12XDP512CAL Freescale, MC9S12XDP512CAL Datasheet - Page 454
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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Chapter 10 Freescale’s Scalable Controller Area Network (S12MSCANV3)
10.3.3.3
This register keeps the data length field of the CAN frame.
454
Module Base + 0x0004 (DSR0)
DLC[3:0]
DB[7:0]
Field
Field
7:0
3:0
Reset:
Reset:
W
R
W
Figure 10-34. Data Segment Registers (DSR0–DSR7) — Extended Identifier Mapping
R
Data bits 7:0
Data Length Code Bits — The data length code contains the number of bytes (data byte count) of the respective
message. During the transmission of a remote frame, the data length code is transmitted as programmed while
the number of transmitted data bytes is always 0. The data byte count ranges from 0 to 8 for a data frame.
Table 10-33
Data Length Register (DLR)
0x0005 (DSR1)
0x0006 (DSR2)
0x0007 (DSR3)
0x0008 (DSR4)
0x0009 (DSR5)
0x000A (DSR6)
0x000B (DSR7)
Figure 10-35. Data Length Register (DLR) — Extended Identifier Mapping
x
7
DB7
7
x
shows the effect of setting the DLC bits.
= Unused; always read “x”
Table 10-31. DSR0–DSR7 Register Field Descriptions
6
x
DB6
6
x
Table 10-32. DLR Register Field Descriptions
MC9S12XDP512 Data Sheet, Rev. 2.21
5
x
DB5
x
5
4
x
DB4
Description
Description
x
4
DLC3
3
x
DB3
x
3
DLC2
x
DB2
2
x
2
Freescale Semiconductor
DLC1
x
DB1
1
1
x
DLC0
x
DB0
0
0
x
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