Fujitsu 8FX User Manual

MB95630H Series
MN702-00009-2v0-E FUJITSU SEMICONDUCTOR LIMITED 295
CHAPTER 17 CLOCK SUPERVISOR COUNTER
17.3 Operations
■ Table of Time-base Timer Intervals & Clock Supervisor Counter Values
Table 17.3-1 shows time-base timer intervals suitable for using different main CR clock
frequencies to measure different external clocks.
Table 17.3-1 Table of Counter Values in Relation to TBTSEL Settings
Main
CR
(F
CRH)
[MHz]
Main/Sub-
crystal
oscillation
[MHz]
Main
CR
error
Measur-
ement
error
TBTSEL2 to TBTSEL0
"000" "001" "010" "011" "100" "101" "110" "111"
(2
3
×1/FCRH)(2
5
×1/FCRH)(2
7
×1/FCRH)(2
9
×1/FCRH)(2
11
×1/FCRH)(2
13
×1/FCRH)(2
15
×1/FCRH)(2
17
×1/FCRH)
4
0.03277
+2% -1
0 0 01 731130 525
-2% +1
1 1 13 935137 548
0.5
+2% -1
0 0630124 500 2006 8030
-2% +1
1 3933131 523 2090 8360
1
+2% -1
0214 61 249 1002 4014 16061
-2% +1
2517 66 262 1045 4180 16719
4
+2% -1 2 14
61 249 1002 4014 16061 64249
-2% +1 5 17
66 262 1045 4180 16719 66874
6
+2% -1 4 22
93 375 1504 6022 24093 96375
-2% +1 7 25
98 392 1568 6270 25078 100311
10
+2% -1 8 38
155 626 2508 10038 40155 160626
-2% +1 11 41
164 654 2613 10449 41796 167184
20
+2% -1 18
77 312 1253 5018 20077 80312 321253
-2% +1 21
82 327 1307 5225 20898 83592 334368
32.5
+2% -1 30
126 508 2038 8155 32626 130508 522038
-2% +1 34
133 531 2123 8490 33960 135837 543347
: Recommended setting
: The counter value becomes "0" or "255".

Fujitsu 8FX Specifications

General

Brand	Fujitsu
Model	8FX
Category	Computer Hardware
Language	English