User's Manual

8XC196NP, 80C196NU USER’S MANUAL
C-52
WSR1
WSR1
(80C196NU)
Address:
Reset State:
0015H
00H
Window selection 1 (WSR1) register selects a 32- or 64-byte segment of the upper register file or
peripheral SFRs to be windowed into the middle of the lower register file, below any window selected
by the WSR.
7 0
80C196NU
W6 W5 W4 W3 W2 W1 W0
Bit
Number
Bit
Mnemonic
Function
7 Reserved; always write as zero.
6:0 W6:0 Window Selection
These bits specify the window size and window number. See Table 5-8 on
page 5-15 or Table 5-9 on page 5-15.
Table C-19. WSR1 Settings and Direct Addresses for Windowable SFRs
Register
Mnemonic
Memory
Location
32-byte Windows
(0060–007FH)
64-byte Windows
(0040–007FH)
WSR1
Direct
Address
WSR1
Direct
Address
ADDRCOM0
1F40H 7AH 0060H 3DH 0040H
ADDRCOM1
1F48H 7AH 0068H 3DH 0048H
ADDRCOM2
1F50H 7AH 0070H 3DH 0050H
ADDRCOM3
1F58H 7AH 0078H 3DH 0058H
ADDRCOM4
1F60H 7BH 0060H 3DH 0060H
ADDRCOM5
1F68H 7BH 0068H 3DH 0068H
ADDRMSK0
1F42H 7AH 0062H 3DH 0042H
ADDRMSK1
1F4AH 7AH 006AH 3DH 004AH
ADDRMSK2
1F52H 7AH 0072H 3DH 0052H
ADDRMSK3
1F5AH 7AH 007AH 3DH 005AH
ADDRMSK4
1F62H 7BH 0062H 3DH 0062H
ADDRMSK5
1F6AH 7BH 006AH 3DH 006AH
BUSCON0 1F44H 7AH 0064H 3DH 0044H
BUSCON1 1F4CH 7AH 006CH 3DH 004CH
BUSCON2 1F54H 7AH 0074H 3DH 0054H
BUSCON3 1F5CH 7AH 007CH 3DH 005CH
BUSCON4 1F64H 7BH 0064H 3DH 0064H
Must be addressed as a word.