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参数资料
型号： MC16S2CPU20B1
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 16-BIT, 20.97 MHz, MICROCONTROLLER, PQFP100
封装： TQFP-100
文件页数： 69/104页
文件大小： 812K
代理商： MC16S2CPU20B1
MC68HC16S2
MOTOROLA
MC68HC16S2TS/D
67
Table 34 Instruction Set Abbreviations and Symbols
A — Accumulator A
X — Register used in operation
AM — Accumulator M
M — Address of one memory byte
B — Accumulator B
M
+1 — Address of byte at M + $0001
CCR — Condition code register
M
: M + 1 — Address of one memory word
D — Accumulator D
(
…)X — Contents of address pointed to by IX
E — Accumulator E
(
...)Y — Contents of address pointed to by IY
EK — Extended addressing extension field
(
...)Z — Contents of address pointed to by IZ
IR — MAC multiplicand register
E, X — IX with E offset
HR — MAC multiplier register
E, Y — IY with E offset
IX — Index register X
E, Z — IZ with E offset
IY — Index register Y
EXT — Extended
IZ — Index register Z
EXT20 — 20-bit extended
K — Address extension register
IMM8 — 8-bit immediate
PC — Program counter
IMM16 — 16-bit immediate
PK — Program counter extension field
IND8, X — IX with unsigned 8-bit offset
SK — Stack pointer extension field
IND8, Y — IY with unsigned 8-bit offset
SL — Multiply and accumulate sign latch
IND8, Z — IZ with unsigned 8-bit offset
SP — Stack pointer
IND16, X — IX with signed 16-bit offset
XK — Index register X extension field
IND16, Y — IY with signed 16-bit offset
YK — Index register Y extension field
IND16, Z — IZ with signed 16-bit offset
ZK — Index register Z extension field
IND20, X — IX with signed 20-bit offset
XMSK — Modulo addressing index register X mask
IND20, Y — IY with signed 20-bit offset
YMSK — Modulo addressing index register Y mask
IND20, Z — IZ with signed 20-bit offset
S — Stop disable control bit
INH — Inherent
MV — AM overflow indicator
IXP — Post-modified indexed
H — Half carry indicator
REL8 — 8-bit relative
EV — AM extended overflow indicator
REL16 — 16-bit relative
N — Negative indicator
b — 4-bit address extension
Z — Zero indicator
ff — 8-bit unsigned offset
V — Two's complement overflow indicator
gggg — 16-bit signed offset
C — Carry/borrow indicator
hh — High byte of 16-bit extended address
IP — Interrupt priority field
ii — 8-bit immediate data
SM — Saturation mode control bit
jj — High byte of 16-bit immediate data
PK — Program counter extension field
kk — Low byte of 16-bit immediate data
— — Bit not affected
ll — Low byte of 16-bit extended address
— Bit changes as specified
mm — 8-bit mask
0 — Bit cleared
mmmm — 16-bit mask
1 — Bit set
rr — 8-bit unsigned relative offset
M — Memory location used in operation
rrrr — 16-bit signed relative offset
R — Result of operation
xo — MAC index register X offset
S — Source data
yo — MAC index register Y offset
z — 4-bit zero extension
+ — Addition
— AND
— Subtraction or negation (two's complement)
' — Inclusive OR (OR)
— Multiplication
⊕ — Exclusive OR (EOR)
/ — Division
NOT — Complementation
> — Greater
: — Concatenation
< — Less
— Transferred
= — Equal
— Exchanged
≥ — Equal or greater
± — Sign bit; also used to show tolerance
≤ — Equal or less
— Sign extension
≠ — Not equal
% — Binary value
$ — Hexadecimal value
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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