C8051F326 Datasheet, PDF (135/140 Pages) List of Unclassifed Manufacturers – Full Speed USB, 16 kB Flash MCU Family

C8051F326/7
SFR Definition 14.3. CKCON: Clock Control
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
—
—
—
—
T1M
T0M
SCA1 SCA0 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
0x8E
Bit7–4:
Bit3:
Bit2:
Bits1–0:
Unused. Read = 0b. Write = don’t care.
T1M: Timer 1 Clock Select.
This select the clock source supplied to Timer 1.
0: Timer 1 uses the clock defined by the prescale bits, SCA1-SCA0.
1: Timer 1 uses the system clock.
T0M: Timer 0 Clock Select.
This bit selects the clock source supplied to Timer 0.
0: Timer 0 uses the clock defined by the prescale bits, SCA1-SCA0.
1: Timer 0 uses the system clock.
SCA1-SCA0: Timer 0/1 Prescale Bits.
These bits control the division of the clock supplied to Timer 0 and/or Timer 1 if configured
to use prescaled clock inputs.
SCA1
SCA0
Prescaled Clock
0
0
System clock divided by 12
0
1
System clock divided by 4
1
0
System clock divided by 48
1
1
External clock divided by 8
Note: External clock divided by 8 is synchronized with the system clock.
Rev. 0.5
135