参数资料
型号: SAF-C161RI-LM
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 20 MHz, MICROCONTROLLER, PQFP100
封装: METRIC, PLASTIC, QFP-100
文件页数: 6/60页
文件大小: 926K
代理商: SAF-C161RI-LM
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
R15
R0
General
Purpose
Registers
Bit-Mask Gen
Barrel - Shifter
ALU
(16-bit)
Data Page Ptr.
Code Seg. Ptr.
Internal
RAM
R15
R0
ROM
16
32
BUSCON 0
BUSCON 1
BUSCON 2
BUSCON 3
BUSCON 4
ADDRSEL 4
ADDRSEL 3
ADDRSEL 2
ADDRSEL 1
相关PDF资料
PDF描述
SAB-C161RI-LF 16-BIT, 20 MHz, MICROCONTROLLER, PQFP100
SAF-C161S-L25M 16-BIT, 25 MHz, MICROCONTROLLER, PQFP80
SAB-C161S-LM3V 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80
SAB-C161S-L25M 16-BIT, 25 MHz, MICROCONTROLLER, PQFP80
SAF-C501G-LN 8-BIT, 12 MHz, MICROCONTROLLER, PQCC44
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SAF-C161S-L25M AA 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 5V 25MHz ROM less RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT
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