XC886/888CLM
Parallel Ports
User’s Manual
6-12
V1.3, 2010-02
Parallel Ports, V 1.0
Field
Bits
Type Description
PAGE
[2:0]
rw
Page Bits
When written, the value indicates the new page.
When read, the value indicates the currently active
page.
STNR
[5:4]
w
Storage Number
This number indicates which storage bit field is the
target of the operation defined by bit field OP.
If OP = 10
B
,
the contents of PAGE are saved in STx before being
overwritten with the new value.
If OP = 11
B
,
the contents of PAGE are overwritten by the
contents of STx. The value written to the bit positions
of PAGE is ignored.
00
ST0 is selected.
01
ST1 is selected.
10
ST2 is selected.
11
ST3 is selected.
OP
[7:6]
w
Operation
0X
Manual page mode. The value of STNR is
ignored and PAGE is directly written.
10
New page programming with automatic page
saving. The value written to the bit positions of
PAGE is stored. In parallel, the previous
contents of PAGE are saved in the storage bit
field STx indicated by STNR.
11
Automatic restore page action. The value
written to the bit positions PAGE is ignored
and instead, PAGE is overwritten by the
contents of the storage bit field STx indicated
by STNR.
0
3
r
Reserved
Returns 0 if read; should be written with 0.
*
Содержание XC886CLM
Страница 1: ...User s Manual V1 3 2010 02 Microcontrollers 8 Bit XC886 888CLM 8 Bit Single Chip Microcontroller...
Страница 3: ...User s Manual V1 3 2010 02 Microcontrollers 8 Bit XC886 888CLM 8 Bit Single Chip Microcontroller...
Страница 324: ...XC886 888CLM Serial Interfaces User s Manual 12 52 V1 3 2010 02 Serial Interfaces V 1 0...
Страница 663: ...w w w i n f i n e o n c o m Published by Infineon Technologies AG...