AT91SAM7X128C-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT91SAM7X128C-CU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

SAM7X512/256/128 Summary

9.8 Real-time Timer

• 32-bit free-running counter with alarm running on prescaled SLCK

• Programmable 16-bit prescaler for SLCK accuracy compensation

9.9 PIO Controllers

• Two PIO Controllers, each controlling 31 I/O lines

• Fully programmable through set/clear registers

• Multiplexing of two peripheral functions per I/O line

• For each I/O line (whether assigned to a peripheral or used as general-purpose I/O)

– Input change interrupt

– Half a clock period glitch filter

– Multi-drive option enables driving in open drain

– Programmable pull-up on each I/O line

– Pin data status register, supplies visibility of the level on the pin at any time

• Synchronous output, provides Set and Clear of several I/O lines in a single write

9.10

Voltage Regulator Controller

The purpose of this controller is to select the Power Mode of the Voltage Regulator between

Normal Mode (bit 0 is cleared) or Standby Mode (bit 0 is set).

29

6120GS–ATARM–07-Apr-11

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