AT91SAM7S64C-AU 查看數據表（PDF） - Atmel Corporation

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AT91SAM7S64C-AU

AT91SAM ARM-based Flash MCU

Atmel Corporation 

9.8 Real-time Timer

z 32-bit free-running counter with alarm running on prescaled SCLK

z Programmable 16-bit prescaler for SLCK accuracy compensation

9.9 PIO Controller

z One PIO Controller, controlling 32 I/O lines (21 for SAM7S32/16)

z Fully programmable through set/clear registers

z Multiplexing of two peripheral functions per I/O line

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

z Input change interrupt

z Half a clock period glitch filter

z Multi-drive option enables driving in open drain

z Programmable pull-up on each I/O line

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

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

9.10

Voltage Regulator Controller

The aim 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).

SAM7S Series [DATASHEET] 32

6175M–ATARM–26-Oct-12

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