C8051F321-GMR Datasheet, PDF (239/250 Pages) Silicon Laboratories – Full Speed USB, 16 k ISP FLASH MCU Family

C8051F320/1
Table 20.3. Watchdog Timer Timeout Intervals¹
System Clock (Hz)
PCA0CPL4 Timeout Interval (ms)
24,000,000
255
32.8
24,000,000
128
16.5
24,000,000
32
4.2
12,000,000
255
65.5
12,000,000
128
33.0
12,000,000
32
8.4
4,000,000
255
196.6
4,000,000
128
99.1
4,000,000
32
1,500,000²
255
1,500,000²
128
1,500,000²
32
25.3
524.3
264.2
67.6
32,768
255
24,000
32,768
128
12,093.75
32,768
32
3,093.75
Notes:
1. Assumes SYSCLK / 12 as the PCA clock source, and a PCA0L value
of 0x00 at the update time.
2. Internal oscillator reset frequency.
20.4. Register Descriptions for PCA
Following are detailed descriptions of the special function registers related to the operation of the PCA.
Rev. 1.4
239