CHAPTER 7 8-BIT TIMER
Table 7-6. Square-Wave Output Range of Timer 60 (During fX = 5.0 MHz Operation)
TCL602 TCL601 TCL600
Minimum Pulse Width
1/fX (0.2 µs)
Maximum Pulse Width
28/fX (51.2 µs)
Resolution
1/fX (0.2 µs)
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
29/fX (1.02 ms)
2/fX (0.4 µs)
2/fX (0.4 µs)
fTMI input cycle
fTMI/2 input cycle
fTMI/22 input cycle
fTMI/23 input cycle
fTMI input cycle × 28
fTMI/2 input cycle × 28
fTMI/22 input cycle × 28
fTMI/23 input cycle × 28
fTMI input cycle
fTMI/2 input cycle
fTMI/22 input cycle
fTMI/23 input cycle
Remark fX: Main system clock oscillation frequency
Figure 7-15. Timing of Square-Wave Output with 8-Bit Resolution
Count clock
TMn0
N
00H 01H
Clear
01H
00H 01H
Clear
00H 01H
Clear
00H
N
N
N
CRn0
TCEn0
Count start
INTTMn0
TOnmNote
Interrupt acknowledgement
Interrupt acknowledgement
Interrupt acknowledgement
Note The initial value of TOnm is low level when output is enabled (TOEnm = 1).
Remark n = 5, 6
nm = 50, 60, 61
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User’s Manual U15075EJ1V0UM00
NEC [ NEC ]
