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參數(shù)資料
| 型號： | ST62T03CM6E |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO16 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, SOP-16 |
| 文件頁數(shù)： | 9/100頁 |
| 文件大?。?/td> | 1440K |
| 代理商： | ST62T03CM6E |
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ST6200C/ST6201C/ST6203C
16/100
4 CENTRAL PROCESSING UNIT
4.1 INTRODUCTION
The CPU Core of ST6 devices is independent of the
I/O or Memory configuration. As such, it may be
thought of as an independent central processor
communicating with on-chip I/O, Memory and Pe-
ripherals via internal address, data, and control
buses.
4.2 MAIN FEATURES
s
40 basic instructions
s
9 main addressing modes
s
Two 8-bit index registers
s
Two 8-bit short direct registers
s
Low power modes
s
Maskable hardware interrupts
s
6-level hardware stack
4.3 CPU REGISTERS
The ST6 Family CPU core features six registers and
three pairs of flags available to the programmer.
These are described in the following paragraphs.
Accumulator (A). The accumulator is an 8-bit
general purpose register used in all arithmetic cal-
culations, logical operations, and data manipula-
tions. The accumulator can be addressed in Data
Space as a RAM location at address FFh. Thus
the ST6 can manipulate the accumulator just like
any other register in Data Space.
Index Registers (X, Y). These two registers are
used in Indirect addressing mode as pointers to
memory locations in Data Space. They can also
be accessed in Direct, Short Direct, or Bit Direct
addressing modes. They are mapped in Data
Space at addresses 80h (X) and 81h (Y) and can
be accessed like any other memory location.
Short Direct Registers (V, W). These two regis-
ters are used in Short Direct addressing mode.
This means that the data stored in V or W can be
accessed with a one-byte instruction (four CPU cy-
cles). V and W can also be accessed using Direct
and Bit Direct addressing modes. They are
mapped in Data Space at addresses 82h (V) and
83h (W) and can be accessed like any other mem-
ory location.
Note: The X and Y registers can also be used as
Short Direct registers in the same way as V and W.
Program Counter (PC). The program counter is a
12-bit register which contains the address of the
next instruction to be executed by the core. This
ROM location may be an opcode, an operand, or
the address of an operand.
Figure 7. CPU Registers
ACCUMULATOR
X INDEX REGISTER
Y INDEX REGISTER
PROGRAM COUNTER
RESET VALUE = RESET VECTOR @ 0FFEh-0FFFh
70
0
11
RESET VALUE = xxh
x = Undefined value
V SHORT INDIRECT
70
RESET VALUE = xxh
W SHORT INDIRECT
70
RESET VALUE = xxh
NORMAL FLAGS
CN
ZN
CI
ZI
CNMI ZNMI
INTERRUPT FLAGS
NMI FLAGS
SIX LEVEL
STACK
REGISTER
1
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| ST62T08CB6 | 功能描述:8位微控制器 -MCU OTP EPROM 1K SPI/UAR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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| ST62T08CM6 | 功能描述:8位微控制器 -MCU OTP EPROM 1K SPI/UAR RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST62T09CB6 | 功能描述:8位微控制器 -MCU OTP EPROM 1K No Intf RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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