2 example apb register peripheral, Example apb register peripheral -8 – ARM IM-AD1 User Manual

Page 54

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Reference Design Example

4-8

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ARM DUI 0163B

4.2

Example APB register peripheral

Table 4-4 shows the mapping of the logic module registers. The addresses shown are
offsets from the base addresses shown in Figure 4-2 on page 4-5.

Table 4-4 Logic module registers

Offset address

Name

Type

Function

0x0000000

LM_OSC1

Read/write

Oscillator 1 divisor register

0x0000004

LM_OSC2

Read/write

Oscillator 2 divisor register

0x0000008

LM_LOCK

Read/write

Oscillator lock register

0x000000C

LM_LEDS

Read/write

User LEDs control register

0x0000010

LM_INT

Read/write

Push button interrupt register

0x0000014

LM_SW

Read

Switches register

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