參數(shù)資料
型號(hào)： C161RI
廠商： SIEMENS AG
英文描述： 16-Bit CMOS Single-Chip Microcontroller
中文描述： 16位CMOS單芯片微控制器
文件頁(yè)數(shù)： 14/60頁(yè)
文件大?。?/td> 614K
代理商： C161RI
Semiconductor Group
14
1998-05-01
C161RI
Central Processing Unit (CPU)
The main core of the CPU consists of a 4-stage instruction pipeline, a 16-bit arithmetic and logic unit
(ALU) and dedicated SFRs. Additional hardware has been spent for a separate multiply and divide
unit, a bit-mask generator and a barrel shifter.
Based on these hardware provisions, most of the C161RI’s instructions can be executed in just one
machine cycle which requires 125 ns at 16 MHz CPU clock. For example, shift and rotate
instructions are always processed during one machine cycle independent of the number of bits to
be shifted. All multiple-cycle instructions have been optimized so that they can be executed very fast
as well: branches in 2 cycles, a 16
×
16 bit multiplication in 5 cycles and a 32-/16 bit division in
10 cycles. Another pipeline optimization, the so-called ‘Jump Cache’, allows reducing the execution
time of repeatedly performed jumps in a loop from 2 cycles to 1 cycle.
Figure 5
CPU Block Diagram
MCB02147
CPU
SP
STKOV
STKUN
Instr. Reg.
Instr. Ptr.
Exec. Unit
4-Stage
Pipeline
MDH
MDL
PSW
SYSCON
Context Ptr.
Mul/Div-HW
Bit-Mask Gen
R15
R0
General
Purpose
Registers
Barrel - Shifter
ALU
(16-bit)
Data Page Ptr.
Code Seg. Ptr.
Internal
RAM
R15
R0
ROM
16
16
32
BUSCON 0
BUSCON 1
BUSCON 2
BUSCON 3
BUSCON 4
ADDRSEL 4
ADDRSEL 3
ADDRSEL 2
ADDRSEL 1
相關(guān)PDF資料
PDF描述
C161SI-32F 16-bit microcontrollers(16位微控制器)
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C167CS-32F 16-bit microcontrollers(16位微控制器)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
C161RI_1 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit CMOS Single-Chip Microcontroller
C161S 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller
C161SL25MAABXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 16-BIT C166 CISC/RISC ROMLESS 5V 80-PIN MQFP 制造商:Infineon Technologies AG 功能描述:16 BIT ROM/ROMLESS - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 16BIT ROMLESS 80MQFP
C161SL25MAAFXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 16-BIT C166 CISC/RISC ROMLESS 5V 80-PIN MQFP 制造商:Infineon Technologies AG 功能描述:16 BIT ROM/ROMLESS - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 16BIT ROM/LESS MQFP-80-7
C161SLM3VAABXUMA1 制造商:Infineon Technologies AG 功能描述:MCU 16-BIT C166 CISC/RISC ROMLESS 3.3V 80-PIN MQFP 制造商:Infineon Technologies AG 功能描述:16 BIT ROM/ROMLESS - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 16BIT ROMLESS 80MQFP
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