SAM7S16 查看數據表（PDF） - Atmel Corporation

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SAM7S16

AT91SAM ARM-based Flash MCU

Atmel Corporation 

Table 3-1. Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Two-Wire Interface

TWD

Two-wire Serial Data

I/O

TWCK

Two-wire Serial Clock

I/O

Analog-to-Digital Converter

AD0-AD3

Analog Inputs

Analog

AD4-AD7

Analog Inputs

Analog

ADTRG

ADC Trigger

Input

ADVREF

ADC Reference

Analog

Fast Flash Programming Interface

PGMEN0-PGMEN2 Programming Enabling

Input

PGMM0-PGMM3 Programming Mode

Input

PGMD0-PGMD15 Programming Data

I/O

PGMRDY

Programming Ready

Output

High

PGMNVALID

Data Direction

Output

Low

PGMNOE

Programming Read

Input

Low

PGMCK

Programming Clock

Input

PGMNCMD

Programming Command

Input

Low

Comments

Digital pulled-up inputs at reset

Analog Inputs

PGMD0-PGMD7 only on SAM7S32/16

Note: 1. Refer to Section 6. “I/O Lines Considerations” on page 14.

SAM7S Series [DATASHEET]

8

6175M–ATARM–26-Oct-12

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