MC9S12XDP512CAL Freescale, MC9S12XDP512CAL Datasheet - Page 212
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 6 XGATE (S12XGATEV2)
6.8.1.13
For load and store instructions (RS, RI) provides a variable offset in a register.
Examples:
6.8.1.14
[RS, RI+] provides a variable offset in a register, which is incremented after accessing the memory. In case
of a byte access the index register will be incremented by one. In case of a word access it will be
incremented by two.
Examples:
6.8.1.15
[RS, -RI] provides a variable offset in a register, which is decremented before accessing the memory. In
case of a byte access the index register will be decremented by one. In case of a word access it will be
decremented by two.
Examples:
6.8.2
6.8.2.1
Any register can be loaded either with an immediate or from the address space using indexed addressing
modes.
The same set of modes is available for the store instructions
212
LDB
STW
LDB
STW
LDB
STW
LDL
LDW
LDB
STB
STW
Instruction Summary and Usage
Index Register plus Register Offset (IDR)
Index Register plus Register Offset with Post-increment (IDR+)
Index Register plus Register Offset with Pre-decrement (–IDR)
Load & Store Instructions
R4,(R1,R2)
R4,(R1,R2)
R4,(R1,R2+)
R4,(R1,R2+)
R4,(R1,-R2)
R4,(R1,-R2)
RD,#IMM8
RD,(RB,RI)
RD,(RB, RI+)
RS,(RB, RI)
RS,(RB, RI+)
MC9S12XDP512 Data Sheet, Rev. 2.21
; loads a byte from R1+R2 into R4
; stores R4 as a word to R1+R2
; loads a byte from R1+R2 into R4, R2+=1
; stores R4 as a word to R1+R2, R2+=2
; R2 -=1, loads a byte from R1+R2 into R4
; R2 -=2, stores R4 as a word to R1+R2
; loads an immediate 8 bit value to the lower byte of RD
; loads data using RB+RI as effective address
; loads data using RB+RI as effective address
; followed by an increment of RI depending on
; the size of the operation
; stores data using RB+RI as effective address
; stores data using RB+RI as effective address
; followed by an increment of RI depending on
; the size of the operation.
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