
ML62Q1000 Series User's Manual
Chapter 6
Clock Generation Circuit
FEUL62Q1000
6-2
6.1.2 Configuration
Figure 6-1 shows the configuration of the clock generation circuit.
Table 6-3 shows the list of operation clocks for each function.
FHCKMOD
: High-speed clock mode register
FCON
: Frequency control register
FHWUPT
: High-speed clock wake-up time setting register
LRCADJ
: Low-speed RC oscillation frequency adjustment register
CBUINT*
2
: Clock backup interrupt register
*
1
The Low-speed crystal oscillation/ External clock is unavailable on the ML62Q1300 group. The XT0/XT1 pin do not exist.
*
2
Available on the ML62Q1500 and ML62Q1700 group
Figure 6-1
Configuration of Clock Generation Circuit
[Note]
Ÿ
After the power-on or the system reset, the low-speed RC oscillation clock (32.768 kHz) is initially
chosen and supplied to the system clock (SYSTEMCLK).
RC1K
oscillation
WDTCLK
Low-speed
oscillation
circuit
High-speed
oscillation
circuit
Divider
1/1 - 1/32
Divider
1/1 - 1/32
Divider
Code option
SYSTEMCLK
OUTHSCLK
HSCLK
Code option
16M/24MHz
FHCKMOD
FHWUPT
FCON
LRCADJ
LSCLK
OUTLSCLK
Data bus
Approx.32.768kHz
RTCCLK*
2
LS RC
Approx.32.768kHz
Low-speed
crystal
oscillation/
External clock
*
1
XT0 *
1
CBUINT*
2
Approx.1.024kHz
Approx.1kHz
XT1 *
1
Содержание ML62Q1000 Series
Страница 17: ...Chapter 1 Overview...
Страница 112: ...Chapter 2 CPU and Memory Space...
Страница 154: ...Chapter 3 Reset Function...
Страница 166: ...Chapter 4 Power Management...
Страница 196: ...Chapter 5 Interrupts...
Страница 248: ...Chapter 6 Clock generation Circuit...
Страница 274: ...Chapter 7 Low Speed Time Base Counter...
Страница 291: ...Chapter 8 16 Bit Timer...
Страница 320: ...Chapter 9 Functional Timer FTM...
Страница 382: ...Chapter 10 Watchdog Timer...
Страница 402: ...Chapter 11 Serial Communication Unit...
Страница 456: ...Chapter 12 I2 C Bus Unit...
Страница 491: ...Chapter 13 I2 C Master...
Страница 512: ...Chapter 14 DMA Controller...
Страница 531: ...Chapter 15 Buzzer...
Страница 550: ...Chapter 16 Simplified RTC...
Страница 559: ...Chapter 17 GPIO...
Страница 594: ...Chapter 18 External Interrupt Function...
Страница 612: ...Chapter 19 CRC Generator...
Страница 632: ...Chapter 20 Analog Comparator...
Страница 644: ...Chapter 21 D A Converter...
Страница 655: ...Chapter 22 Voltage Level Supervisor...
Страница 676: ...Chapter 23 Successive Approximation Type A D Converter...
Страница 709: ...Chapter 24 Regulator...
Страница 714: ...Chapter 25 Flash Memory...
Страница 743: ...Chapter 26 Code Option...
Страница 750: ...Chapter 27 LCD Driver...
Страница 788: ...Chapter 28 On Chip Debug Function...
Страница 795: ...Chapter 29 Safety Function...
Страница 813: ...Appendix A...
Страница 881: ...Revision History...