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參數(shù)資料
| 型號： | ST52T301P |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 8-Bit OTP/EPROM DuaLogic] MCUs WITH ADC, UART, TIMER, TRIAC & PWM DRIVER |
| 中文描述： | 8位檢察官辦公室/存儲器DuaLogic]與藝術(shù)發(fā)展局和UART，定時器，可控硅控制器 |
| 文件頁數(shù)： | 6/100頁 |
| 文件大?。?/td> | 497K |
| 代理商： | ST52T301P |
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2 INTERNAL ARCHITECTURE
ST52x301is made up by the followingblocks and
peripherals:
Control Unit
Fuzzy Core
ALU
EPROM
Clock Oscillator
Analog Multiplexer and A/D Converter
PrescalerTimer
Bandgap
Triac / PWM Driver
Digital I/O port
Serial CommunicationInterface
ST52x301OperatingModes
ST52x301works in twomodes,Programmingand
Working Modes, dependingon the control signals
levelRESET, TESTand MODE.
The Operating modes are selected by setting the
control signal level as specified in the Control
SignalsSetting table.
2.1 CONTROL UNIT
The Control Unit (CU) manages: Registers File,
Input Registers, Configuration Registers, ALU,
Accumulator and Multiplexer inputs.Moreover the
CU drives the Fuzzy Core and the peripherals
(Triac/PWM Driver andTimer).
The CU reads the stored instructions on the
EPROM (Fetch) and decodifies them. If the
instructions are arithmetic or logic, the CU runs
them directly, sending the control signals to the
related blocks. If there is a STOP instruction, the
CU transfersthe control to the Fuzzy Core.
The Fuzzy Core (FC) will read the next instruction
(thatmustbe afuzzyinstruction)fromtheEPROM.
The FC mantains the control of the program until
the next STOP instruction. Then the FC transfers
the control to the CU.
Thesecharacteristicsallow to mixfuzzyalgorithms
withmathematicaland logic instructions.
Figure2.1 shows a flow-chart reasuming the logic
behaviourof the instructions management.
Control
Signal
Programming
Reset
Working
RESET
0
0
1
TEST
0
0
0
MODE
1
0
0
Table2.1.Control Signals setting
CU
Readsfromthe EPROM
and
Decodifies the instruction
CU
executesinstruction
FuzzyCore
Readsfromthe EPROM
and
Decodifiesthe instruction
STOP
STOP
No
No
Fuzzy Core
executesinstruction
Yes
Yes
Figure2.1.ComputationAlgorithm Flow Chart
6/99
ST52T301/E301
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