SAB83C515A-5N18 View Datasheet(PDF) - Infineon Technologies
Part Name
Description
Manufacturer
SAB83C515A-5N18 Datasheet PDF : 57 Pages
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Table 1:
Behaviour of P0/P2 and RD/WR during MOVX accesses
DPTR < XRAM
address
range
MOVX
@DPTR
DPTR ≥ XRAM
address
range
MOVX
@Ri
XPAGE < XRAM
addr.
page
range
XPAGE ≥ XRAM
addr.
page
range
00
a) P0/P2¨Bus
b) RD/WR active
c) ext. memory is
used
EA = 0
XMAP1, XMAP0
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
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¨Bus
P2¨I/0
b) RD/WR active
c) ext. memory is
used
a) P0/P2¨BUS
(WR -Data only)
P2¨I/0
b) RD/WR inactive
c) XRAM is used
a) P0¨Bus
P2¨I/0
b) RD/WR active
c) ext. memory is
used
a) P0/P2¨BUS
(WR -Data only)
P2¨I/0
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/0
b) RD/WR active
c) ext. memory is
used
a) P0¨Bus
P2¨I/0
b) RD/WR active
c) ext. memory is
used
00
a) P0/P2¨Bus
b) RD/WR active
c) ext. memory is
used
EA = 1
XMAP1, XMAP0
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
a) P0/P2¨I/0
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¨Bus
P2¨I/0
b) RD/WR active
c) ext. memory is
used
a) P0/P2¨I/0
b) RD/WR inactive
c) XRAM is used
a) P0¨Bus
P2¨I/0
b) RD/WR active
c) ext. memory is
used
a) P0¨BUS
(WR -Data only)
P2¨I/0
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/0
b) RD/WR active
c) ext. memory is
used
a) P0¨Bus
P2¨I/0
b) RD/WR active
c) ext. memory is
used
modes compatible to 8051 - family
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