參數(shù)資料
型號: 25C256
廠商: Microchip Technology Inc.
英文描述: 256K 5.0V SPI Bus Serial EEPROM(4.5~5.5V,256K位,SPI總線串行EEPROM)
中文描述: 256K 5.0V SPI總線串行EEPROM(4.5?5.5V的,256K位和SPI總線串行EEPROM的)
文件頁數(shù): 10/170頁
文件大?。?/td> 4191K
代理商: 25C256
PIC16F62X
DS40300C-page 8
Preliminary
2003 Microchip Technology Inc.
FIGURE 2-1:
BLOCK DIAGRAM
Note
1:
Higher order bits are from the STATUS register.
FLASH
Program
Memory
13
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8-Level Stack
(13-bit)
RAM
File
Registers
Direct Addr
7
RAM Addr (1)
9
Addr MUX
Indirect
Addr
FSR reg
STATUS reg
MUX
ALU
W reg
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Brown-out
Detect
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKIN
OSC2/CLKOUT
MCLR
V
DD
, V
SS
PORTA
PORTB
RA4/T0CK1/CMP2
RA5/MCLR/V
PP
RA6/OSC2/CLKOUT
RA7/OSC1/CLKIN
RB0/INT
RB1/RX/DT
RB2/TX/CK
RB3/CCP1
RB4/PGM
RB5
RB6/T1OSO/T1CKI/PGC
RB7/T1OSI/PGD
8
8
USART
CCP1
Timer0
Timer1
Timer2
RA3/AN3/CMP1
RA2/AN2/V
REF
RA1/AN1
RA0/AN0
8
3
Low-voltage
Programming
V
REF
Comparator
Data EEPROM
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