AT91 datasheet(143/153 Pages) ATMEL

143 / 153 page

143

AT91X40 Series

1354D–ATARM–08/02

TC Status Register

Access Type:

Read Only

Reset Value:0

Offset:

0x20

• COVFS: Counter Overflow Status (Code Label TC_COVFS)

0 = No counter overflow has occurred since the last read of the Status Register.

1 = A counter overflow has occurred since the last read of the Status Register.

• LOVRS: Load Overrun Status (Code Label TC_LOVRS)

0 = Load overrun has not occurred since the last read of the Status Register or WAVE = 1.

1 = RA or RB have been loaded at least twice without any read of the corresponding register since the last read of the Sta-

tus Register, if WAVE = 0.

• CPAS: RA Compare Status (Code Label TC_CPAS)

0 = RA Compare has not occurred since the last read of the Status Register or WAVE = 0.

1 = RA Compare has occurred since the last read of the Status Register, if WAVE = 1.

• CPBS: RB Compare Status (Code Label TC_CPBS)

0 = RB Compare has not occurred since the last read of the Status Register or WAVE = 0.

1 = RB Compare has occurred since the last read of the Status Register, if WAVE = 1.

• CPCS: RC Compare Status (Code Label TC_CPCS)

0 = RC Compare has not occurred since the last read of the Status Register.

1 = RC Compare has occurred since the last read of the Status Register.

• LDRAS: RA Loading Status (Code Label TC_LDRAS)

0 = RA Load has not occurred since the last read of the Status Register or WAVE = 1.

1 = RA Load has occurred since the last read of the Status Register, if WAVE = 0.

• LDRBS: RB Loading Status (Code Label TC_LDRBS)

0 = RB Load has not occurred since the last read of the Status Register or WAVE = 1.

1 = RB Load has occurred since the last read of the Status Register, if WAVE = 0.

• ETRGS: External Trigger Status (Code Label TC_ETRGS)

0 = External trigger has not occurred since the last read of the Status Register.

1 = External trigger has occurred since the last read of the Status Register.

• CLKSTA: Clock Enabling Status (Code Label TC_CLKSTA)

0 = Clock is disabled.

1 = Clock is enabled.

––

–––

––

–

––

–––

MTIOB

MTIOA

CLKSTA

––

–––

––

–

ETRGS

LDRBS

LDRAS

CPCS

CPBS

CPAS

LOVRS

COVFS

AT91 Datasheet(PDF) 143 Page - ATMEL Corporation

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