參數資料
型號： SAB-C509-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, 16 MHz, MICROCONTROLLER, PQFP100
文件頁數： 25/74頁
文件大?。?/td> 1607K
代理商： SAB-C509-LM
C
S
2
Table 3
Behaviour of P0/P2 and RD/WR During MOVX Accesses
EA = 0
EA = 1
XMAP1, XMAP0
XMAP1, XMAP0
00
a)P0/P2
→
Bus
b)RD/WR active
c)ext.memory
is used
10
a)P0/P2
→
Bus
b)RD/WR active
c)ext.memory
is used
X1
a)P0/P2
→
Bus
b)RD/WR active
c)ext.memory
is used
00
a)P0/P2
→
Bus
b)RD/WR active
c)ext.memory
is used
10
a)P0/P2
→
Bus
b)RD/WR active
c)ext.memory
is used
X1
a)P0/P2
→
Bus
b)RD/WR active
c)ext.memory
is used
MOVX
@DPTR
DPTR
<
XRAM
address
range
DPTR
≥
XRAM
address
range
a)P0/P2
→
Bus
(WR / RD Data)
b)RD/WR
inactive
c)XRAM is used
a)P0
→
Bus
P2
→
I
/O
b)RD/WR active
c)ext.memory
is used
a)P0
→
Bus
(WR / RD Data)
P2
→
I
/O
b)RD/WR
inactive
c)XRAM is used
a)P0/P2
→
Bus
(WR / RD Data)
b)RD/WR active
c)XRAM is used
a)P0/P2
→
Bus
b)RD/WR active
c) ext.memory
is used
a)P0
→
Bus
P2
→
I
/O
b)RD/WR active
c)ext.memory
is used
a)P0
→
Bus
P2
→
I
/O
a)P0/P2
→
I/0
b)RD/WR
inactive
c)XRAM is used
a)P0
→
Bus
P2
→
I
/O
b)RD/WR active
c)ext.memory
is used
a)P2
→
I
/O
P0/P2
→
I
/O
a)P0/P2
→
Bus
(WR / RD Data)
b)RD/WR active
c)XRAM is used
a)P0/P2
→
Bus
b)RD/WR active
c) ext.memory
is used
a)P0
→
Bus
P2
→
I
/O
b)RD/WR active
c)ext.memory
is used
a)P0
→
Bus
P2
→
I
/O
MOVX
@ Ri
XPAGE
<
XRAM
addr.page
range
a)P0
→
Bus
P2
→
I
/O
b)RD/WR active
c)ext.memory
is used
a)P0
→
Bus
(WR / RD Data)
P2
→
I
/O
b)RD/WR active
a)P0
→
Bus
P2
→
I
/O
b)RD/WR active
c)ext.memory
is used
a)P0
→
Bus
(WR / RD Data)
P2
→
I
/O
b)RD/WR active
XPAGE
≥
XRAM
addr.page
range
c)XRAM is used
b)RD/WR active
c)ext.memory
is used
b)RD/WR
inactive
c)XRAM is used
c)XRAM is used
b)RD/WR active
c)ext.memory
is used
modes compatible to 8051/C501 family
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PDF描述
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