SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 120

• Manufacturer Part Number: SPC8106
• Description: LCD/CRT VGA CONTROLLER
• Manufacturer: S-MOS Systems

.
Hardware Functional Specification
PSM
Function
LCD Display
Active?
CRT Display
Active?
I/O access
possible?
Memory access
possible?
Memory refresh
maintained?
Internal LUT active? WR only
External RAMDAC
active?
Sequencer
running?
Refresh generated
from CLKI
(Sequencer
running)
Refresh generated
from CLKI
(Sequencer
stopped)
Refresh generated
from MEMEN
Refresh generated
from PDCLK
Self-refresh
256cycle/4 ms, /32
ms refresh
selectable
SP1-78
a. System design should ensure that external RAMDAC is powered off in Suspend Mode.
For Software Power Save Modes 1 and 2, setting the RAMDAC sleep control bit allows the RAMDAC to
be placed in sleep mode
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
Active
Off
Active
Yes
Yes
Yes
note 16
Active
Yes
Yes
n/a
No
No
No
Yes
Table 0-45 CRT Only
SPSM1 SPSM2
Off
Off
Yes
Yes
Yes
WR only
note 16
Active
or
Sleep *
Yes
Yes
n/a
No
No
No
Yes
s1
Off
Off
Yes
Yes
Yes
WR only
note 16
Active
or
Sleep *
Yes
Yes
n/a
No
No
No
Yes
SPSM2
s2
Off
Off
Yes
No
Yes
WR only
note 16
Active
or
Sleep *
No
n/a
Yes
No
No
No
Yes
a
(LCD off) - AUX[0B] bits 1,0 = 10
X12-SP-001-07
Yes,
except
LUT /
RAMDAC
No
No
Disabled
Disabled
No
n/a
n/a
n/a
n/a
n/a
SPSM3
Off
Off
n/a
SPSM4
Off
Off
Yes,
except
LUT /
RAMDAC
No
Yes
Disabled
Disabled
No
n/a
option
option
note 1
option
note 2
option
note 3
Yes
note 1, 2
SPSM5 Suspend SPSM6
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
Off
Off
No
No
Yes
Disabled
Powered
Down *
No
n/a
option
option
note 1
option
note 2
option
note 3
Yes
note 1, 2
Off
Active
Yes
Yes
Yes
Enable
d
Yes
Yes
n/a
n/a
n/a
n/a
n/a
n/a
411-1.0
SPC8106