Datasheet

682
32142D–06/2013
ATUC64/128/256L3/4U
26.8 Module Configuration
The specific configuration for each Timer/Counter instance is listed in the following tables.The
module bus clocks listed here are connected to the system bus clocks. Please refer to the Power
Manager chapter for details.
26.8.1 Clock Connections
There are two Timer/Counter modules, TC0 and TC1, with three channels each, giving a total of
six Timer/Counter channels. Each Timer/Counter channel can independently select an internal
or external clock source for its counter:
Table 26-4. TC Bus Interface Clocks
Module name Clock Name Description
TC0 CLK_TC0 Clock for the TC0 bus interface
TC1 CLK_TC1 Clock for the TC1 bus interface
Table 26-5. Timer/Counter Clock Connections
Module Source Name Connection
TC0 Internal TIMER_CLOCK1 32 KHz oscillator clock (CLK_32K)
TIMER_CLOCK2 PBA Clock / 2
TIMER_CLOCK3 PBA Clock / 8
TIMER_CLOCK4 PBA Clock / 32
TIMER_CLOCK5 PBA Clock / 128
External XC0 See Section on page 10
XC1
XC2
TC1 Internal TIMER_CLOCK1 32 KHz oscillator clock (CLK_32K)
TIMER_CLOCK2 PBA Clock / 2
TIMER_CLOCK3 PBA Clock / 8
TIMER_CLOCK4 PBA Clock / 32
TIMER_CLOCK5 PBA Clock / 128
External XC0 See Section on page 10
XC1
XC2