Datasheet

869
32117D–AVR-01/12
AT32UC3C
31.8 Module Configuration
The specific configuration for each TC instance is listed in the following tables. The module bus
clocks listed here are connected to the system bus clocks according to the table in the Power
Manager section.
31.8.1 Clock Connections
Each Timer/Counter channel can independently select an internal or external clock source for its
counter:
Table 31-4. Module Clock Name
Module name Clock name Description
TC0 CLK_TC0 Peripheral Bus clock from the PBC clock domain
TC1 CLK_TC1 Peripheral Bus clock from the PBA clock domain
Table 31-5. Timer/Counter clock connections
Module Source Name Connection
TC0 Internal TIMER_CLOCK1 32 KHz oscillator clock (OSC32K)
TIMER_CLOCK2 PBC clock / 2 (TIMER0_CLOCK2)
TIMER_CLOCK3 PBC clock / 8 (TIMER0_CLOCK3)
TIMER_CLOCK4 PBC clock / 32 (TIMER0_CLOCK4)
TIMER_CLOCK5 PBC clock / 128 (TIMER0_CLOCK5)
External TC0 - CLK0 See Peripheral Multiplexing on I/O line
chapter
TC0 - CLK1
TC0 - CLK2
TC1 Internal TIMER_CLOCK1 32 KHz oscillator clock (OSC32K)
TIMER_CLOCK2 PBA clock / 2 (TIMER1_CLOCK2)
TIMER_CLOCK3 PBA clock / 8 (TIMER1_CLOCK3)
TIMER_CLOCK4 PBA clock / 32 (TIMER1_CLOCK4)
TIMER_CLOCK5 PBA clock / 128 (TIMER1_CLOCK5)
External TC1 - CLK0 See Peripheral Multiplexing on I/O line
chapter
TC1 - CLK1
TC1 - CLK2