Siemens EF 88H Series Instrukcja Użytkownika Strona 25

  • Pobierz
  • Dodaj do moich podręczników
  • Drukuj
  • Strona
    / 137
  • Spis treści
  • BOOKMARKI
  • Oceniono. / 5. Na podstawie oceny klientów
Przeglądanie stron 24
Semiconductor Group 3 - 17
Memory Organization
Table 3-3: Behaviour of P0/P2 and RD/WR During MOVX Accesses
EA
= 0 EA = 1
XMAP1, XMAP0 XMAP1, XMAP0
00 10 X1 00 10 X1
MOVX
@DPTR
DPTR
<
XRAM
address
range
a)P0/P2Bus
b)RD
/WR active
c)ext.memory
is used
a)P0/P2Bus
b)RD
/WR active
c)ext.memory
is used
a)P0/P2Bus
b)RD
/WR active
c)ext.memory
is used
a)P0/P2Bus
b)RD
/WR active
c)ext.memory
is used
a)P0/P2Bus
b)RD
/WR active
c)ext.memory
is used
a)P0/P2Bus
b)RD
/WR active
c)ext.memory
is used
DPTR
XRAM
address
range
a)P0/P2
Bus
(WR
-Data only)
b)RD
/WR
inactive
c)XRAM is used
a)P0/P2
Bus
(WR
-Data only)
b)RD
/WR active
c)XRAM is used
a)P0/P2Bus
b)RD
/WR active
c) ext.memory
is used
a)P0/P2
I/O
b)RD
/WR
inactive
c)XRAM is used
a)P0/P2
Bus
(WR
-Data only)
b)RD
/WR active
c)XRAM is used
a)P0/P2Bus
b)RD
/WR active
c) ext.memory
is used
MOVX
@ Ri
XPAGE
<
XRAM
addr.page
range
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
XPAGE
XRAM
addr.page
range
a)P0
Bus
(WR
-Data only)
P2
I/O
b)RD
/WR
inactive
c)XRAM is used
a)P0
Bus
(WR
-Data only)
P2
I/O
b)RD
/WR active
c)XRAM is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
a)P0/P2
I/O
b)RD
/WR
inactive
c)XRAM is used
a)P0
Bus
(WR
-Data only)
P2
I/O
b)RD
/WR active
c)XRAM is used
a)P0Bus
P2
I/O
b)RD
/WR active
c)ext.memory
is used
modes compatible to 8051-family
Przeglądanie stron 24
1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 136 137

Komentarze do niniejszej Instrukcji

Brak uwag