Datasheet

FS98O22

Rev. 1.6 55/146

6.1.2. Using Timer with External/Internal Clock

The user could see the Table 6-4, 6-5, 6-6 and 6-7 to setup related registers to decide the clock source.

Table 6-4 external timer setup register table

Address Name

Detail on

Chapter

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Value on Power on

Reset

14H MCK 5 M7_CK M6_CK M5_CK M3_CK M2_CK M1_CK M0_CK 00000000

Table 6-5 CLK selection table

M1_CK

0 MCK

1 MCK/4

Table 6-6 MCK selection table

M3_CK M0_CK MCK

X 0 ICK

0 1 ECK

1 1 ECK/2

Table 6-7 TMCLK selection table

M5_CK TMCLK (Timer and LCD Module input Clock)

0 CLK/1000

1 ECK/32

FORTUNE'

Properties

For Reference Only