參數(shù)資料
型號(hào): SAF-C505-LM
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 8-Bit CMOS Microcontroller
中文描述: 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, MQFP-44
文件頁(yè)數(shù): 58/85頁(yè)
文件大?。?/td> 487K
代理商: SAF-C505-LM
C505L
Data Sheet
56
06.99
Basic Programming Mode Selection
The basic programming mode selection scheme is shown in
Figure 28
.
Figure 28
Basic Programming Mode Selection
Clock
(XTAL1 / XTAL2)
RESET
PSEN
PMSEL1,0
PROG
PRD
PSEL
PALE
EA / V
PP
V
DD
5 V
V
PP
V
IH2
"1"
"0"
0,1
"0"
"1"
"0"
0 V
Ready for access
mode selection
During this period signals
are not actively driven
MCS03878
Stable
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