参数资料
型号: SAF-C164SV-2R25F
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, TQFP-64
文件页数: 10/65页
文件大小: 932K
代理商: SAF-C164SV-2R25F
C164SV
Data Sheet
14
V1.0, 2003-04
Preliminary
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 C164SV’s instructions can be
executed in just one machine cycle which requires 2 CPU clocks (4 TCL). 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’, reduces the execution time of
repeatedly performed jumps in a loop from 2 cycles to 1 cycle.
Figure 4
CPU Block Diagram
相关PDF资料
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