参数资料
型号: C164CI
厂商: INFINEON TECHNOLOGIES AG
英文描述: 16-bit CMOS Single-Chip Microcontroller
中文描述: 16位CMOS单片机
文件页数: 12/53页
文件大小: 611K
代理商: C164CI
Semiconductor Group
12
1998-02
C164CI
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 C164CI’s instructions can be executed in just one
machine cycle which requires 100 ns at 20-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 4
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
相关PDF资料
PDF描述
C164CL 16-Bit Single-Chip Microcontroller
C164SI 16-Bit Single-Chip Microcontroller
C164SL 16-Bit Single-Chip Microcontroller
C164CM 16-Bit Single-Chip Microcontrol ler
C164SM 16-Bit Single-Chip Microcontrol ler
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