Electronics America Single-Chip Microcontrollers User's Manual

CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
User’s Manual U15331EJ4V1UD
135
Table 7-3. Interval Time of Timer 50
TCL502 TCL501 TCL500 Minimum Interval Time Maximum Interval Time Resolution
0 0 0 1/fX (0.2 µ s) 2
8
/fX (51.2 µ s) 1/fX (0.2 µ s)
0 0 1 2
3
/fX (1.6 µ s) 2
11
/fX (409.6 µ s) 2
3
/fX (1.6 µ s)
0 1 0 2
7
/fX (25.6 µ s) 2
15
/fX (6.55 ms) 2
7
/fX (25.6 µ s)
0 1 1 1/fXT (30.5 µ s) 2
8
/fXT (7.81 ms) 1/fXT (30.5 µ s)
1 0 0 Input cycle of timer 60 match
signal
Input cycle of timer 60 match
signal × 2
8
Input cycle of timer 60 match
signal
1 0 1 Input cycle of timer 60 output Input cycle of timer 60 output
× 2
8
Input cycle of timer 60
output
Remarks 1. fX: Main system clock oscillation frequency
2. f
XT: Subsystem clock oscillation frequency
3. The parenthesized values apply to operation at f
X = 5.0 MHz or fXT = 32.768 kHz.
Table 7-4. Interval Time of Timer 60
TCL602 TCL601 TCL600 Minimum Interval Time Maximum Interval Time Resolution
0 0 0 1/fX (0.2 µ s) 2
8
/fX (51.2 µ s) 1/fX (0.2 µ s)
0 0 1 2
2
/fX (0.8 µ s) 2
10
/fX (204 µ s) 2
2
/fX (0.8 µ s)
0 1 0 fTMI input cycle fTMI input cycle × 2
8
fTMI input cycle
0 1 1 fTMI/2 input cycle fTMI/2 input cycle × 2
8
fTMI/2 input cycle
1 0 0 fTMI/2
2
input cycle fTMI/2
2
input cycle × 2
8
fTMI/2
2
input cycle
1 0 1 fTMI/2
3
input cycle fTMI/2
3
input cycle × 2
8
fTMI/2
3
input cycle
Remarks 1. fX: Main system clock oscillation frequency
2. f
TMI: External input clock frequency
3. The parenthesized values apply to operation at f
X = 5.0 MHz.
Table 7-5. Interval Time of Timer 61
TCL612 TCL611 TCL610 Minimum Interval Time Maximum Interval Time Resolution
0 0 0 1/fX (0.2 µ s) 2
8
/fX (51.2 µ s) 1/fX (0.2 µ s)
0 0 1 2
4
/fX (3.2 µ s) 2
12
/fX (819 µ s) 2
4
/fX (3.2 µ s)
0 1 0 fTMI input cycle fTMI input cycle × 2
8
fTMI input cycle
0 1 1 fTMI/2 input cycle fTMI/2 input cycle × 2
8
fTMI/2 input cycle
1 0 0 fTMI/2
2
input cycle fTMI/2
2
input cycle × 2
8
fTMI/2
2
input cycle
1 0 1 fTMI/2
3
input cycle fTMI/2
3
input cycle × 2
8
fTMI/2
3
input cycle
Remarks 1. fX: Main system clock oscillation frequency
2. f
TMI: External input clock frequency
3. The parenthesized values apply to operation at f
X = 5.0 MHz.