IBM uPD78082 - Manual (Page 115)

92
CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6
Table 6-5. 8-Bit Timer/Event Counters 5 and 6 Interval Times
Minimum Interval Time Maximum Interval Time Resolution
MCS = 1 MCS = 0 MCS = 1 MCS = 0 MCS = 1 MCS = 0
0 0 0 0 TIn input cycle 2 8 ×
TIn input cycle TIn input edge cycle
0 0 0 1 TIn input cycle 2 8 ×
TIn input cycle TIn input edge cycle
Setting 1/f
X
Setting 2 8 ×
1/f
X
Setting 1/f
X
prohibited (200 ns) prohibited (51.2
µ
s) prohibited (200 ns)
1/f X 2
×
1/f X 2 8 ×
1/f X 2 9 ×
1/f X 1/f X 2
×
1/f X
(200 ns) (400 ns) (51.2
µ
s) (102.4
µ
s) (200 ns) (400 ns)
2
×
1/f
X
2 2 ×
1/f
X
2 9 ×
1/f
X
2 10 ×
1/f
X
2
×
1/f
X
2 2 ×
1/f
X
(400 ns) (800 ns) (102.4
µ
s) (204.8
µ
s) (400 ns) (800 ns)
2 2 ×
1/f
X
2 3 ×
1/f
X
2 10 ×
1/f
X
2 11 ×
1/f
X
2 2 ×
1/f
X
2 3 ×
1/f
X
(800 ns) (1.6
µ
s) (204.8
µ
s) (409.6
µ
s) (800 ns) (1.6
µ
s)
2 3 ×
1/f X 2 4 ×
1/f X 2 11 ×
1/f X 2 12 ×
1/f X 2 3 ×
1/f X 2 4 ×
1/f X
(1.6
µ
s) (3.2
µ
s) (409.6
µ
s) (819.2
µ
s) (1.6
µ
s) (3.2
µ
s)
2 4 ×
1/f X 2 5 ×
1/f X 2 12 ×
1/f X 2 13 ×
1/f X 2 4 ×
1/f X 2 5 ×
1/f X
(3.2
µ
s) (6.4
µ
s) (819.2
µ
s) (1.64 ms) (3.2
µ
s) (6.4
µ
s)
2 5 ×
1/f
X
2 6 ×
1/f
X
2 13 ×
1/f
X
2 14 ×
1/f
X
2 5 ×
1/f
X
2 6 ×
1/f
X
(6.4
µ
s) (12.8
µ
s) (1.64 ms) (3.28 ms) (6.4
µ
s) (12.8
µ
s)
2 6 ×
1/f X 2 7 ×
1/f X 2 14 ×
1/f X 2 15 ×
1/f X 2 6 ×
1/f X 2 7 ×
1/f X
(12.8
µ
s) (25.6
µ
s) (3.28 ms) (6.55 ms) (12.8
µ
s) (25.6
µ
s)
2 7 ×
1/f X 2 8 ×
1/f X 2 15 ×
1/f X 2 16 ×
1/f X 2 7 ×
1/f X 2 8 ×
1/f X
(25.6
µ
s) (51.2
µ
s) (6.55 ms) (13.1 ms) (25.6
µ
s) (51.2
µ
s)
2 8 ×
1/f
X
2 9 ×
1/f
X
2 16 ×
1/f
X
2 17 ×
1/f
X
2 8 ×
1/f
X
2 9 ×
1/f
X
(51.2
µ
s) (102.4
µ
s) (13.1 ms) (26.2 ms) (51.2
µ
s) (102.4
µ
s)
2 9 ×
1/f X 2 10 ×
1/f X 2 17 ×
1/f X 2 18 ×
1/f X 2 9 ×
1/f X 2 10 ×
1/f X
(102.4
µ
s) (204.8
µ
s) (26.2 ms) (52.4 ms) (102.4
µ
s) (204.8
µ
s)
2 11 ×
1/f X 2 12 ×
1/f X 2 19 ×
1/f X 2 20 ×
1/f X 2 11 ×
1/f X 2 12 ×
1/f X
(409.6
µ
s) (819.2
µ
s) (104.9 ms) (209.7 ms) (409.6
µ
s) (819.2
µ
s)
Other than above Setting prohibited
Remarks 1. f
X
: Main system clock oscillation frequency
2. MCS : Oscillation mode selection register (OSMS) bit 0
3. Values in parentheses when operated at f
X
= 5.0 MHz.
4. n = 5, 6
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 0 1 1
1 1 0 0
1 1 0 1
1 1 1 0
1 1 1 1
TCLn3 TCLn2 TCLn1 TCLn0