DS20006554A datasheet(47/94 Pages) MICROCHIP

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ZL30260-ZL30263

Data Sheet

DS20006554A

APLLSR

APLL Status Register

48h

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Name

AIFLL

AIFL

AIFHL

AIFH

ALKL

ALK

—

SELREF

Default

Bit 7: APLL Input Frequency Low Latched Status (AIFLL). This latched status bit is set to 1 when the AIFL status

bit is set. AIFLL is cleared when written with a 1. When AIFLL is set it can cause an interrupt request if the AIFLIE

interrupt enable bit is set.

Bit 6: APLL Input Frequency Low Status (AIFL). This real-time status bit indicates that the input frequency to the

APLL is lower that expected.

0 = Input frequency ok

1 = Input frequency low

Bit 5: APLL Input Frequency High Latched Status (AIFHL). This latched status bit is set to 1 when the AIFH status

bit is set. AIFHL is cleared when written with a 1. When AIFHL is set it can cause an interrupt request if the AIFHIE

interrupt enable bit is set.

Bit 4: APLL Input Frequency High Status (AIFH). This real-time status bit indicates that the input frequency to the

APLL is higher that expected.

0 = Input frequency ok

1 = Input frequency high

Bit 3: APLL Lock Latched Status (ALKL). This latched status bit is set to 1 when the ALK status bit changes state

(set or cleared). ALKL is cleared when written with a 1. When ALKL is set it can cause an interrupt request if the

ALKIE interrupt enable bit is set.

Bit 2: APLL Lock Status (ALK). This real-time status bit indicates the lock status of the APLL. See section 5.5.

0 = Not locked

1 = Locked

Bit 0: Selected Reference (SELREF). This real-time status field indicates the

APLL’s selected reference. See

section 5.5.3.

0 = The input specified by ACR3.APLLMUX

1 = The input specified by ACR3.ALTMUX

P2SR

Path 2 Status Register

49h

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Name

—

SELREF

Default

Bit 0: Selected Reference (SELREF). This real-time status field indicates

Path 2’s selected reference. See section

5.15.

0 = The input specified by P2CR3.MUX

1 = The input specified by P2CR3.ALTMUX

DS20006554A Datasheet(PDF) 47 Page - Microchip Technology

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