參數(shù)資料
型號(hào)： MC68332GVFC16
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 32-Bit Modular Microcontroller
中文描述： 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP132
封裝： PLASTIC, QFP-132
文件頁(yè)數(shù)： 46/88頁(yè)
文件大小： 446K
代理商： MC68332GVFC16
MOTOROLA
46
MC68332
MC68332TS/D
4.3 Status Register
The status register contains the condition codes that reflect the results of a previous operation and can
be used for conditional instruction execution in a program. The lower byte containing the condition
codes is the only portion of the register available at the user privilege level; it is referenced as the con-
dition code register (CCR) in user programs. At the supervisor privilege level, software can access the
full status register, including the interrupt priority mask and additional control bits.
System Byte
T[1:0] —Trace Enable
S —Supervisor/User State
Bits [12:11] —Unimplemented
IP[2:0] —Interrupt Priority Mask
User Byte (Condition Code Register)
Bits [7:5] — Unimplemented
X — Extend
N — Negative
Z — Zero
V — Overflow
C — Carry
4.4 Data Types
Six basic data types are supported:
Bits
Packed Binary Coded Decimal Digits
Byte Integers (8 bits)
Word Integers (16 bits)
Long-Word Integers (32 bits)
Quad-Word Integers (64 bits)
4.5 Addressing Modes
Addressing in the CPU32 is register-oriented. Most instructions allow the results of the specified oper-
ation to be placed either in a register or directly in memory. This flexibility eliminates the need for extra
instructions to store register contents in memory. The CPU32 supports seven basic addressing modes:
Register direct
Register indirect
Register indirect with index
Program counter indirect with displacement
Program counter indirect with index
Absolute
Immediate
Included in the register indirect addressing modes are the capabilities to post-increment, predecrement,
and offset. The program counter relative mode also has index and offset capabilities. In addition to
these addressing modes, many instructions implicitly specify the use of the status register, stack point-
er, or program counter.
SR
—Status Register
15
14
T0
13
S
12
0
11
0
10
8
7
0
6
0
5
0
4
X
3
N
2
Z
1
V
0
C
T1
IP
RESET:
0
0
1
0
0
1
1
1
0
0
0
U
U
U
U
U
相關(guān)PDF資料
PDF描述
MC68332GVFC20 32-Bit Modular Microcontroller
MC68332GVFV16 32-Bit Modular Microcontroller
MC68332GVFV20 32-Bit Modular Microcontroller
MC68332VFC16 32-Bit Modular Microcontroller
MC68332VFC20 32-Bit Modular Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68332GVFC20 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,2KRAM,TPU,QSM - Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
MC68332GVFC25 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,2KRAM,TPU,QSM - Bulk
MC68332GVFV16 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:32-Bit Modular Microcontroller
MC68332GVFV20 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:32-Bit Modular Microcontroller
MC68332GVPV16 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,2KRAM,TPU,QSM - Bulk
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