AN413 datasheet(19/45 Pages) STMICROELECTRONICS

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AN413

ST9 core and peripheral configuration/initialization

Doc ID 1875 Rev 2

19/45

Appendix A

ST9 core and peripheral

configuration/initialization

Table 3.

System configuration: system registers

Mnemonic

Name

Hex.

Page

Reset value

(hex)

CICR

Central Interrupt Control Register

R230

FLAGR

Flags Register

R231

RP0R

R232

RP1R

R233

PPR

Page Pointer Register

R234

MODER

Mode Register

R235

USPHR

User Stack Pointer (high)

R236

USPLR

User Stack Pointer (low)

R237

SSPHR

System Stack Pointer (high)

R238

SSPLR

System Stack Pointer (low)

R239

Table 4.

System configuration: page registers

Mnemonic

Name

Hex.

Page

Reset value

(hex)

EECR

EEPROM Control Register Mask

R241

EITR

External Interrupt Trigger-Event

R242

EIPR

External Interrupt Pending

R243

EIMR

External Interrupt Mask Register

R244

EIPLR

External Interrupt Priority Level

R245

EIVR

External Interrupt Vector

R246

NICR

Nested Interrupt Control Register R247

WCR

Wait Control Register

R252

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