Time Base Timer; Operation - Panasonic MN101L Series User Manual

Chapter 10
General-Purpose Time Base/Free-Running Timer

10.4 Time Base Timer

10.4.1

Operation

Time Base Timer (Time Base Timer)
The timer generates interrupts regularly by selecting a clock source and a interrupt generation cycle.
Table:10.4.1 shows the interrupt generation cycles on each clock source.
Selected clock source
f
HCLK
X - 12 Time Base Timer
Table:10.4.1 Selection of Time Base Timer Interrupt Generation Cycle
HCLK
SCLK
= 8 MHz, f = 32.768 kHz
SCLK
Interrupt generation cycle
× 1/f
7
2
HCLK
× 1/f
8
2
HCLK
× 1/f
9
2
HCLK
10 × 1/f
2
HCLK
12 × 1/f
2
HCLK
13 × 1/f
2
HCLK
× 1/f
14
2
HCLK
× 1/f
15
2
HCLK
× 1/f
7
2
SCLK
8
2 x 1/f
SCLK
9 × 1/f
2
SCLK
10 × 1/f
2
SCLK
× 1/f
12
2
SCLK
× 1/f
13
2
SCLK
× 1/f
14
2
SCLK
15 × 1/f
2
SCLK
16 µs
32 µs
64 µs
128 µs
512 µs
1024 µs
2048 µs
4096 µs
3.9 ms
7.8 ms
15.6 ms
31.3 ms
125 ms
250 ms
500 ms
1000 ms