mc68hc912bd32 Freescale Semiconductor, Inc, mc68hc912bd32 Datasheet - Page 103

• Manufacturer Part Number: mc68hc912bd32
• Description: 16-bit Device Composed Of Standard On-chip Peripherals
• Manufacturer: Freescale Semiconductor, Inc

3-clock
OSCILLATOR
T1 CLOCK
T2 CLOCK
T3 CLOCK
T4 CLOCK
E CLOCK
P CLOCK
E CLOCK
P CLOCK
Notes:
(GBT)
(GBT)
(G)
(G)
1. Driven by slow clock divider in wait mode. Drives on-chip peripherals except timer.
2. Remains at oscillator divided by 2 rate in wait mode. Drives timer.
1
1
2
2
Figure 11 Internal Clock Relationships in Wait Mode
There are two types of P clocks and E clocks while in wait mode that are
of interest to users:
Figure 12
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
Global type (G) which is driven by the slow clock divider in wait
mode and drives all on-chip peripherals except the timer
Global type (GBT) which remains at the oscillator divide-by-2 rate
in wait mode and drives and the timer.
shows clock timing relationships while in wait mode.
Go to: www.freescale.com
Clocks
Clock Selection and Generation
MC68HC912BD32 Rev 1.0
Clocks