參數(shù)資料
型號: ST7LITE10F1M6
英文描述: FUSE PULLER/TESTERFUSE PULLER/TESTER; Depth, external:15mm; Length:60mm; Voltage rating, AC:24V; Voltage rating, DC:24V; Width, external:20mm
中文描述: ST7LITE1 - 8單電壓閃存EEPROM的MEMORY.DATA位MCU。 ADC的。 4定時器。的SPI
文件頁數(shù): 20/122頁
文件大?。?/td> 1716K
代理商: ST7LITE10F1M6
ST7LITE0, ST7SUPERLITE
20/122
1
6 CENTRAL PROCESSING UNIT
6.1 INTRODUCTION
This CPU has a full 8-bit architecture and contains
six internal registers allowing efficient 8-bit data
manipulation.
6.2 MAIN FEATURES
I
63 basic instructions
I
Fast 8-bit by 8-bit multiply
I
17 main addressing modes
I
Two 8-bit index registers
I
16-bit stack pointer
I
Low power modes
I
Maskable hardware interrupts
I
Non-maskable software interrupt
6.3 CPU REGISTERS
The 6 CPU registers shown in
Figure 10
are not
present in the memory mapping and are accessed
by specific instructions.
Accumulator (A)
The Accumulator is an 8-bit general purpose reg-
ister used to hold operands and the results of the
arithmetic and logic calculations and to manipulate
data.
Index Registers (X and Y)
In indexed addressing modes, these 8-bit registers
are used to create either effective addresses or
temporary storage areas for data manipulation.
(The Cross-Assembler generates a precede in-
struction (PRE) to indicate that the following in-
struction refers to the Y register.)
The Y register is not affected by the interrupt auto-
matic procedures (not pushed to and popped from
the stack).
Program Counter (PC)
The program counter is a 16-bit register containing
the address of the next instruction to be executed
by the CPU. It is made of two 8-bit registers PCL
(Program Counter Low which is the LSB) and PCH
(Program Counter High which is the MSB).
Figure 10. CPU Registers
ACCUMULATOR
X INDEX REGISTER
Y INDEX REGISTER
STACK POINTER
CONDITION CODE REGISTER
PROGRAM COUNTER
7
1
0
C
1 1 H I
N Z
RESET VALUE = RESET VECTOR @ FFFEh-FFFFh
7
0
7
0
7
0
0
7
15
8
PCH
PCL
15
8
7
0
RESET VALUE = STACK HIGHER ADDRESS
RESET VALUE = 1
X
1 1
X 1 X X
RESET VALUE = XXh
RESET VALUE = XXh
RESET VALUE = XXh
X = Undefined Value
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