参数资料
型号: SAB-C515C-LM
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, PQFP80
封装: PLASTIC, MQFP-80
文件页数: 16/98页
文件大小: 1117K
代理商: SAB-C515C-LM
C515C
Data Sheet
19
2003-02
modes compatible to 8051/C501 family
Table 3
Behaviour of P0/P2 and RD/WR During MOVX Accesses
XMAP1, XMAP0
00
10
X1
EA = 0
MOVX
@DPTR
DPTR
<
XRAM/CAN
address range
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
DPTR
XRAMCAN
address range
a) P0/P2
→Bus
(RD/WR-Data)
b) RD/WR inactive
c) XRAM is used
a) P0/P2
→Bus
(RD/WR-Data)
b) RD/WR active
c) XRAM is used
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
MOVX
@ Ri
XPAGE
<
XRAMCAN
addr. page
range
a) P0
→Bus
P2
→I/O
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
b) RD/WR active
c) ext.memory
is used
XPAGE
XRAMCAN
addr. page
range
a) P0
→Bus
(RD/WR-Data)
P2
→I/O
b) RD/WR inactive
c) XRAM is used
a) P0
→Bus
(RD/WR-Data only)
P2
→I/O
b) RD/WR active
c) XRAM is used
a) P0
→Bus
P2
→I/O
b) RD/WR active
c) ext.memory
is used
EA = 1
MOVX
@DPTR
DPTR
<
XRAM/CAN
address range
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
DPTR
XRAMCAN
address range
a) P0/P2
→Ι/0
b) RD/WR inactive
c) XRAM is used
a) P0/P2
→Bus
(RD/WR-Data)
b) RD/WR active
c) XRAM is used
a) P0/P2
→Bus
b) RD/WR active
c) ext.memory
is used
MOVX
@ Ri
XPAGE
<
XRAMCAN
addr. page
range
a) P0
→Bus
P2
→I/O
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
b) RD/WR active
c) ext.memory
is used
XPAGE
XRAMCAN
addr. page
range
a) P2
→I/O
P0/P2
→I/O
b) RD/WR inactive
c) XRAM is used
a) P0
→Bus
(RD/WR-Data)
P2
→I/O
b) RD/WR active
c) XRAM is used
a) P0
→Bus
P2
→I/O
b) RD/WR active
c) ext.memory
is used
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