參數(shù)資料
型號: 89S8252
廠商: Atmel Corp.
英文描述: 8-Bit Microcontroller with 8K Bytes Flash
中文描述: 8位具有8K字節(jié)的閃存,微控制器
文件頁數(shù): 22/31頁
文件大?。?/td> 455K
代理商: 89S8252
AT89S8252
4-126
Figure 14.
Programming the Flash/EEPROM Memory
P1
P2.6
P2.7
P3.6
P3.7
P2.0 - P2.5
A0 - A7
ADDR.
0000H/27FFH
SEE FLASH
PROGRAMMING
MODES TABLE
3-24 MHz
A8 - A13
P0
+5V
PGM
DATA
PROG
V
PP
V
IH
ALE
XTAL2
EA
RST
PSEN
XTAL1
GND
V
CC
AT89S8252
Figure 15.
Flash/EEPROM Serial Downloading
P1.7/SCK
DATA OUTPUT
INSTRUCTION
INPUT
CLOCK IN
3-24 MHz
+4.0V to 6.0V
P1.5/MOSI
V
IH
XTAL2
RST
XTAL1
GND
V
CC
AT89S8252
P1.6/MISO
Figure 16.
Verifying the Flash/EEPROM Memory
P1
P2.6
P2.7
P3.6
P3.7
P2.0 - P2.5
A0 - A7
ADDR.
0000H/27FFH
SEE FLASH
PROGRAMMING
MODES TABLE
3-24 MHz
A8 - A13
P0
+5V
PGM DATA
(USE 10K
PULLUPS)
V
IH
V
IH
ALE
XTAL2
EA
RST
PSEN
XTAL1
GND
V
CC
AT89S8252
V
PP
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