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| 型號(hào)： | ST52F514F0B6 |
| 英文描述： | IC MAX 7000 CPLD 128 144-TQFP |
| 中文描述： | 微控制器 |
| 文件頁(yè)數(shù)： | 17/106頁(yè) |
| 文件大?。?/td> | 648K |
| 代理商： | ST52F514F0B6 |
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ST52F510/F513/F514
17/106
Figure 2.2 Data Processing Unit (DPU)
The
instructions
Memory, Register File or from the peripherals. It is
controlled by the CU on the basis of the decoded
instruction. The Fuzzy registers store the partial
results of the fuzzy computation. The accumulator
register is used by the ALU and is not accessible
directly: the instructions used by the ALU can
address
all
the
Register
operands, allowing a more compact code and a
faster execution.
The following addressing modes are available:
inherent, immediate, direct, indirect, bit direct.
DPU
receives,
deriving
stores
from
and
sends
Program/Data
the
the
File
locations
as
2.1.1 Program Counter.
The Program Counter (PC) is a 16-bit register that
contains the address of the next memory location
to be processed by the core. This memory location
may be both an instruction or data address.
The Program Counter’s 16-bit length allows the
direct addressingof amaximum of 64 Kbytes in the
Program/Data Memory space.
The PC can be changed in the following ways:
I
JP (Jump)
PC = Jump Address
I
Interrupt
PC = Interrupt Vector
PC = Pop (stack)
I
RET
PC = Pop (stack)
PC = Subroutines address
PC = Reset Vector
I
Normal Instruction
PC = PC + 1
I
RETI
I
CALL
I
Reset
2.1.2 Flags.
The ST FIVE core includes different sets of flags
that correspond to 2 different modes: normal mode
and interrupt mode. Each set of flags consist of a
CARRY flag (C), ZERO flag (Z) and SIGN flag (S).
Each set is stacked: one set of flags is used during
normal operation and other sets are used during
each level of interrupt. Formally, the user has to
manage only one set of flags: C,Z and S since the
flag stack operation is performed automatically.
PROGRAM COUNTER
REGISTER
FILE
256 Bytes
REGISTER FILE
ADDRESS
ACCUMULATOR
DECISION
PROCESSOR
REGISTERS
ALU
FLAGS REG.
Memory Address
Peripherals
Control Unit
ProgramMemory
Input Registers
Peripherals
Interrupts Unit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST52F514F0M6 | IC MAX 7000 CPLD 160 100-TQFP |
| ST52F514F1B6 | IC MAX 7000 CPLD 160 100-TQFP |
| ST52F514F1M6 | IC MAX 7000 CPLD 256 208-PQFP |
| ST52F514F3B6 | IC MAX 7000 CPLD 256 208-PQFP |
| ST52F514F3M6 | IC MAX 7000 CPLD 256 256-FBGA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST52F514F0M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| ST52F514F1B6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| ST52F514F1M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| ST52F514F3B6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
| ST52F514F3M6 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller |
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