參數(shù)資料
型號: XC161CJ-16F
廠商: INFINEON TECHNOLOGIES AG
英文描述: 16-Bit Single-Chip Microcontroller with C166SV2 Core
中文描述: 16位單片機與C166SV2核心
文件頁數(shù): 26/87頁
文件大小: 807K
代理商: XC161CJ-16F
XC161-16
Derivatives
Functional Description
Data Sheet
24
V2.3, 2006-03
3.3
Central Processing Unit (CPU)
The main core of the CPU consists of a 5-stage execution pipeline with a 2-stage
instruction-fetch pipeline, a 16-bit arithmetic and logic unit (ALU), a 32-bit/40-bit multiply
and accumulate unit (MAC), a register-file providing three register banks, and dedicated
SFRs. The ALU features a multiply and divide unit, a bit-mask generator, and a barrel
shifter.
Figure 4
CPU Block Diagram
Based on these hardware provisions, most of the XC161’s instructions can be executed
in just one machine cycle which requires 25 ns at 40 MHz CPU clock. For example, shift
DPRAM
CPU
IPIP
RF
R0
R1
GPRs
R14
R0
R1
R0
RR15
IFU
Injection/
Exception
Handler
ADU
MAC
mca04917_x.vsd
CPUCON1
CPUCON2
CSP
IP
Return
Stack
FIFO
Branch
Unit
Prefetch
Unit
VECSEG
TFR
+/-
IDX0
IDX1
QX0
QX1
QR0
QR1
DPP0
DPP1
DPP2
DPP3
SPSEG
SP
STKOV
STKUN
+/-
MRW
MCW
MSW
MAL
+/-
MAH
Multiply
Unit
ALU
Division Unit
Multiply Unit
Bit-Mask-Gen.
Barrel-Shifter
+/-
MDC
PSW
MDH
ZEROS
MDL
ONES
R1
GPRs
R15
CP
WB
Buffer
2-Stage
Prefetch
Pipeline
5-Stage
Pipeline
R0
R1
GPRs
R14
R15
PMU
DMU
DSRAM
EBC
Peripherals
PSRAM
Flash/ROM
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