4 real-time timer (rtt) user interface – Rainbow Electronics AT91CAP9S250A User Manual

Page 101

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101

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

16.4

Real-time Timer (RTT) User Interface

Table 16-1.

Real-time Timer Register Mapping

Offset

Register

Name

Access

Reset Value

0x00

Mode Register

RTT_MR

Read/Write

0x0000_8000

0x04

Alarm Register

RTT_AR

Read/Write

0xFFFF_FFFF

0x08

Value Register

RTT_VR

Read-only

0x0000_0000

0x0C

Status Register

RTT_SR

Read-only

0x0000_0000

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