參數(shù)資料
型號(hào)： MC68332GCAG25
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 25 MHz, MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-144
文件頁(yè)數(shù)： 51/109頁(yè)
文件大小： 787K
代理商： MC68332GCAG25
MOTOROLA
MC68332
46
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
13
12
11
10
8
7
6
5
4
3
2
1
0
T1
T0
S
0
IP
0
X
N
Z
V
C
RESET:
0
1
0
1
0
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
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MC68332GCPV25 32-BIT, 25 MHz, MICROCONTROLLER, PQFP144
MC68332AMFV16 32-BIT, 16 MHz, MICROCONTROLLER, PQFP144
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68332GCEH16 功能描述:32位微控制器 - MCU 32 Bit 16MHz RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
MC68332GCEH16B1 制造商:Freescale Semiconductor 功能描述:
MC68332GCEH20 功能描述:32位微控制器 - MCU 32B MCU 2KRAM TPU QSM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
MC68332GCEH20 制造商:Freescale Semiconductor 功能描述:32-Bit Microcontroller IC
MC68332GCEH25 功能描述:32位微控制器 - MCU 32B MCU 2KRAM TPU QSM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT
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