W83977ATF Datasheet, PDF (174/207 Pages) Winbond – WINBOND I/O

9.3.3 Power Management 1 Enable Register 1(PM1EN1)
Register Location:
<CR60, 61> + 2H System I/O Space
Default Value:
00h
Attribute:
Read/write
Size:
8 bits
765
43
21
0
W83977ATF
PRELIMINARY
TMR_EN
Reserved
Reserved
Reserved
GBL_EN
Reserved
Reserved
Reserved
Bit
Name
0
TMR_EN
1-4 Reserved
5
GBL_EN
6-7 Reserved
Description
This is the timer carry interrupt enable bit. When this bit is set, an SCI event
is generated whenever the TMR_STS bit is set. When this bit is reset, no
interrupt is generated even when the TMR_STS bit is set.
Reserved. These bits always return a value of zero.
The global enable bit. When both the GBL_EN bit and the GBL_STS bit are
set, an SCI interrupt is raised.
Reserved.
9.3.4 Power Management 1 Enable Register 2 (PM1EN2)
Register Location:
<CR60, 61> + 3H System I/O Space
Default Value:
00h
Attribute:
Read/write
Size:
8 bits
765
43
21
0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Bit
Name
Description
0-7 Reserved Reserved. These bits always return zeros.
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Publication Release Date:April 1998
Revision 0.53