參數(shù)資料
型號: SAK-XC2285M-104F80LAA
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PQFP144
封裝: 0.50 mm pitch, GREEN, PLASTIC, LQFP-144
文件頁數(shù): 94/142頁
文件大?。?/td> 1112K
代理商: SAK-XC2285M-104F80LAA
XC2287M, XC2286M, XC2285M
XC2000 Family Derivatives / Base Line
Functional Description
Data Sheet
55
V2.0, 2009-03
3.3
Central Processing Unit (CPU)
The 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
DPRAM
CPU
IPIP
RF
R0
R1
GPRs
R14
R15
R0
R1
GPRs
R14
R15
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
R0
R1
GPRs
R14
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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