ICS9UMS9633BI
Advance Information
ULTRA MOBILE PC CLOCK FOR INDUSTRIAL TEMPERATURE RANGE
Table 1: CPU Frequency Select Table
CPU
MHz
SRC
MHz
DOT
MHz
LCD
MHz
REF
MHz
FSLC1 FSLB1
0
0
1
1
0
1
0
1
133.33
166.67
100.00
66.67
100.00
96.00
100.00 14.318
1. FSLC is a low-threshold input.Please see VIL_FS and VIH_FS specifications in
the Input/Supply/Common Output Parameters Table for correct values.
Also refer to the Test Clarification Table.
Table 2: LCD Spread Select Table (Pin 20/21)
Spread
Table 3: CPU N-step Programming
CPU
Default N
(hex)
64
B1b5
B1b4
B1b3
Comment
Fcpu
P
%
(MHz)
133.33
166.67
100.00
200.00
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
-0.5%
LCD100
LCD100
LCD100
LCD100
3
3
4
2
= 4MHz x N/P
= 4MHz x N/P
= 4MHz x N/P
= 4MHz x N/P
-1%
7D
-2%
64
-2.5%
64
+/- 0.25% LCD100
+/-0.5% LCD100
+/-1%
LCD100
+/-1.25% LCD100
CPU Power Management Table
SMBus Register
OE
PD
CPU_STOP#
CPU
CPU#
0
1
0
0
Enable
Enable
Enable
Disable
Running Running
1
X
0
Low/20K
High
Low
Low
Low
X
Low/20K
SRC, LCD, DOT Power Management Table
SMBus Register
PD
CR_x#
SRC
SRC# DOT/LCD DOT#/LCD#
OE
0
1
0
0
Enable
X
Enable
Disable
Running Running Running
Running
Low
Running
Low
0
X
1
Low/20K
Low/20K
Low/20K
Low
Low
Low
Low/20K
Running
Low/20K
X
REF Power Management Table
SMBus Register
PD
REF
OE
0
1
0
Enable
X
Disable
Running
Low
Low
IDTTM/ICSTM Ultra Mobile PC Clock for Industrial Temperature Range
1451—01/20/09
11
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
