參數(shù)資料
型號(hào)： W78E58B-24
廠商： WINBOND ELECTRONICS CORP
元件分類： 微控制器/微處理器
英文描述： 8 BIT MICROCONTROLLER
中文描述： 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PDIP40
封裝： DIP-40
文件頁(yè)數(shù)： 4/31頁(yè)
文件大?。?/td> 419K
代理商： W78E58B-24
W78E58B
- 4 -
5. BLOCK DIAGRAM
P3.0
P3.7
P1.0
P1.7
ALU
Port 0
Latch
Port 1
Latch
Timer
1
Timer
0
Timer
2
Port
1
UART
XTAL1
PSEN
ALE
Vss
VCC
RST
XTAL2
Oscillator
Interrupt
PSW
Instruction
Decoder
&
Sequencer
Reset Block
Bus & Clock
Controller
SFR RAM
Address
Power control
512 bytes
RAM & SFR
Stack
Pointer
B
Addr. Reg.
Incrementor
PC
DPTR
Temp Reg.
T2
T1
ACC
Port 3
Latch
Port 4
Latch
Port
3
Port 2
Latch
P4.0
P4.3
Port
4
Port
0
Port
P2.0
P2.7
P0.0
P0.7
32KB
ROM
4KB
6. FUNCTIONAL DESCRIPTION
The W78E58B architecture consists of a core controller surrounded by various registers, four general
purpose I/O ports, one special purpose programmable 4-bits I/O port, 512 bytes of RAM, three
timer/counters, a serial port. The processor supports 111 different opcodes and references both a 64K
program address space and a 64K data storage space.
RAM
The internal data RAM in the W78E58B is 512 bytes. It is divided into two banks: 256 bytes of
scratchpad RAM and 256 bytes of AUX-RAM. These RAMs are addressed by different ways.
RAM 0H
7FH can be addressed directly and indirectly as the same as in 8051. Address pointers
are R0 and R1 of the selected register bank.
RAM 80H
FFH can only be addressed indirectly as the same as in 8051. Address pointers are R0,
R1 of the selected registers bank.
相關(guān)PDF資料
PDF描述
W78E58B 8 BIT MICROCONTROLLER
W78E58BF 8 BIT MICROCONTROLLER
W78E58BP 8 BIT MICROCONTROLLER
W78E58F-16 8-BIT MICROCONTROLLER
W78E58F-24 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W78E58BF 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W78E58BP 制造商:WINBOND 制造商全稱:Winbond 功能描述:8 BIT MICROCONTROLLER
W78E58F-16 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78E58F-24 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78E58F-40 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
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