ics9ums9633b Integrated Device Technology, ics9ums9633b Datasheet - Page 11

• Manufacturer Part Number: ics9ums9633b
• Description: Ultra Mobile Pc/mobile Internet Device
• Manufacturer: Integrated Device Technology

IDT
Table 1: CPU Frequency Select Table
1. FS
Table 2: LCD Spread Select Table (Pin 20/21)
CPU Power Management Table
SRC, LCD, DOT Power Management Table
REF Power Management Table
FS
PD
PD
PD
B1b5
ICS9UMS9633B
ULTRA MOBILE PC/MOBILE INTERNET DEVICE
0
1
0
0
0
1
0
0
0
1
0
the Input/Supply/Common Output Parameters Table for correct values.
Also refer to the Test Clarification Table.
TM
0
0
0
0
1
1
1
1
0
0
1
1
L
/ICS
L
C
C is a low-threshold input.Please see V
1
SMBus Register
TM
CPU_STOP#
Ultra Mobile PC/Mobile Internet Device
FS
B1b4
Disable
CR_x#
Enable
0
0
1
1
0
0
1
1
0
1
0
1
L
OE
B
X
X
X
X
X
1
0
0
1
1
Reserved
133.33
166.67
100.00
B1b3
CPU
MHz
0
1
0
1
0
1
0
1
SMBus Register
SMBus Register
+/- 0.25% LCD100
+/-1.25%
Spread
+/-0.5%
100.00
-0.5%
-2.5%
+/-1%
Disable
Disable
Running
SRC
MHz
-1%
-2%
Enable
Enable
Enable
Enable
Enable
%
REF
Low
Low
OE
OE
X
IL_FS
Comment
LCD100
LCD100
LCD100
LCD100
LCD100
LCD100
LCD100
96.00
DOT
MHz
and V
Low/20K
Low/20K
Low/20K
Low/20K
Low/20K
Running Running
Running Running
IH_FS
CPU
SRC
High
specifications in
100.00 14.318
MHz
LCD
CPU#
SRC#
Low
Low
Low
Low
Low
Low
11
MHz
REF
Table 3: CPU N-step Programming
133.33
166.67
100.00
200.00
DOT/LCD
(MHz)
Low/20K
Low/20K
CPU
Running
Running
P
3
3
4
2
DOT#/LCD#
Running
Running
Low
Low
Default N
(hex)
7D
64
64
64
Advance Information
= 4MHz x N/P
= 4MHz x N/P
= 4MHz x N/P
= 4MHz x N/P
Fcpu
1423—01/20/09