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參數資料
型號: Q67127-C2036SAB-C161R1-L16M
英文描述: IC-SM-16 BIT CPU
中文描述: 集成電路的Sm - 16位CPU
文件頁數: 18/121頁
文件大?。?/td> 1000K
代理商: Q67127-C2036SAB-C161R1-L16M
Semiconductor Group
2-2
Fundamental Structure
C501
2.1
CPU
The C501 is efficient both as a controller and as an arithmetic processor. It has extensive facilities
for binary and BCD arithmetic and excels in its bit-handling capabilities. Efficient use of program
memory results from an instruction set consisting of 44% one-byte, 41% two-byte, and 15% three-
byte instructions. With a 12 MHz crystal, 58% of the instructions execute in 1.0
μ
s (24 MHz : 500 ns,
40 MHz : 300 ns).
The CPU (Central Processing Unit) of the C501 consists of the instruction decoder, the arithmetic
section and the program control section. Each program instruction is decoded by the instruction
decoder. This unit generates the internal signals controlling the functions of the individual units
within the CPU. They have an effect on the source and destination of data transfers and control the
ALU processing.
The arithmetic section of the processor performs extensive data manipulation and is comprised of
the arithmetic/logic unit (ALU), an A register, B register and PSW register.
The ALU accepts 8-bit data words from one or two sources and generates an 8-bit result under the
control of the instruction decoder. The ALU performs the arithmetic operations add, substract,
multiply, divide, increment, decrement, BDC-decimal-add-adjust and compare, and the logic
operations AND, OR, Exclusive OR, complement and rotate (right, left or swap nibble (left four)).
Also included is a Boolean processor performing the bit operations as set, clear, complement, jump-
if-not-set, jump-if-set-and-clear and move to/from carry. Between any addressable bit (or its
complement) and the carry flag, it can perform the bit operations of logical AND or logical OR with
the result returned to the carry flag.
The program control section controls the sequence in which the instructions stored in program
memory are executed. The 16-bit program counter (PC) holds the address of the next instruction to
be executed. The conditional branch logic enables internal and external events to the processor to
cause a change in the program execution sequence.
Accumulator
ACC is the symbol for the accumulator register. The mnemonics for accumulator-specific
instructions, however, refer to the accumulator simply as A.
Program Status Word
The Program Status Word (PSW) contains several status bits that reflect the current state of the
CPU.
相關PDF資料
PDF描述
Q67120-C2200 16-Bit Single-Chip Microcontroller Bare Die Delivery
Q67120-C1054 High Speed CMOS Logic Triple 3-Input NOR Gates 14-SOIC -55 to 125
Q67120-C1056 High Speed CMOS Logic Triple 3-Input NOR Gates 14-SOIC -55 to 125
Q67120-C2002 High Speed CMOS Logic Octal D-Type Flip-Flops with Reset 20-SOIC -55 to 125
Q67120-C2003 8-Bit CMOS Microcontroller
相關代理商/技術參數
參數描述
Q67127-C2056 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
Q67127-C2057 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
Q67127-C2058 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
Q67127-C2060 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
Q67127-C2061 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller
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