SPC8106 S-MOS Systems, SPC8106 Datasheet - Page 118

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

Power Save Mode Function Summary
Hardware Functional Specification
PSM
Function
LCD Display Active? On
CRT Display Active? n/a
I/O access possible? Yes
Memory access
possible?
Memory refresh
maintained?
Internal LUT active? Yes
External RAMDAC
active?
Sequencer running? Yes
Refresh generated
from CLKI
(Sequencer running)
Refresh generated
from CLKI
(Sequencer stopped)
Refresh generated
from MEMEN
Refresh generated
from PDCLK
Self-refresh
256 cycle/4 ms, /32
ms refresh selectable
SP1-76
a. System design should ensure that external RAMDAC is powered off in Suspend Mode; in all other modes,
D477 pin should be pulled high and RAMDAC sleep control bit set to placing the RAMDAC into sleep
mode
S-MOS Systems, Inc. • Tel: [phone] • Fax: [phone] • http://www.smos.com
Yes
Yes
Sleep * Sleep *
Yes
n/a
No
No
No
Yes
Active SPSM1
Table 0-43 LCD Only
Off
n/a
Yes
Yes
Yes
Yes
Yes
Yes
n/a
No
No
No
Yes
SPSM2
s1
Off
n/a
Yes
Yes
Yes
Yes
Sleep *
Yes
Yes
n/a
No
No
No
Yes
a
(no CRT attached) - AUX[0B] bits 1,0 = 01
SPSM2
s2
Off
n/a
Yes
No
Yes
Yes
Sleep *
No
n/a
Yes
No
No
No
Yes
X12-SP-001-07
SPSM3
Off
n/a
Yes,
except
LUT,
RAMDAC
No
No
No
Sleep *
No
n/a
n/a
n/a
n/a
n/a
n/a
SPSM4
Off
n/a
Yes,
except
LUT,
RAMDAC
No
Yes
No
Sleep *
No
n/a
option
option
note 1
option
note 2
option
note 3
Yes
note 1, 2
SPSM5
On
n/a
Yes
Yes
Yes
Yes
Sleep *
Yes
Yes
n/a
No
No
No
Yes
Suspend SPSM6
Off
n/a
No
No
Yes
No
Powered
Down *
No
n/a
option
option
note 1
option
note 2
option
note 3
Yes
note 1, 2
411-1.0
On
On
Yes
Yes
Yes
Yes
Yes
Yes
Yes
n/a
n/a
n/a
n/a
Yes
SPC8106