AT697F datasheet(98/155 Pages) ATMEL

98 / 155 page

Table 65. Timer 2 Control Register - TIMCTR2

Address = 0x80000058

reserved

r/w

xxxx xxxx xxxx xxxx xxxx xxxx xxxx x

Bit Number

Mnemonic

Description

ld2

Load counter

when written with ‘one’, will load the timer reload register into the timer counter register. Always reads as a

‘zero’.

rl2

Reload counter

If rl2 is set, then the counter will automatically be reloaded with the reload value after each underflow.

en2

Enable counter

enables the timer when set.

Table 66. Prescaler Counter Register - SCAC

Address = 0x80000060

reserved

counter value [9:0]

r/w

xxxx xxxx xxxx xxxx xxxx xxx

00 0000 0000

Bit Number

Mnemonic

Description

9..0

counter value[9:0] prescaler counter value

7703C–AERO–6/09

AT697F ADVANCE INFORMATION

A read access gives the decounting value of the prescaler.

Table 67. Prescaler Reload Register - SCAR

Address = 0x80000064

reserved

reload value [9:0]

r/w

xxxx xxxx xxxx xxxx xxxx xxx

00 0000 0000

Bit Number

Mnemonic

Description

9..0

reload value [9:0] Prescaler reload value

A write access programs the reload value of the prescaler.

A read access gives the reload value of the prescaler.

Note:

The reset value for SCAR is 0. This is not a legal value, it is however equivalent to a value of 3

and leads to a division rate of 4.

AT697F Datasheet(PDF) 98 Page - ATMEL Corporation

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