AT91SAM7S256 ATMEL Corporation, AT91SAM7S256 Datasheet - Page 6

• Manufacturer Part Number: AT91SAM7S256
• Description: AT91 ARM THUMB-BASED MICROCONTROLLERS
• Manufacturer: ATMEL Corporation

Table 1. Signal Description List (Continued)
6
Signal Name
TWD
TWCK
AD0-AD3
AD4-AD7
ADTRG
ADVREF
PGMEN0-PGMEN1
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
AT91SAM7S256 Summary Preliminary
Function
Two-wire Serial Data
Two-wire Serial Clock
Analog Inputs
Analog Inputs
ADC Trigger
ADC Reference
Programming Enabling
Programming Mode
Programming Data
Programming Ready
Data Direction
Programming Read
Programming Clock
Programming Command
Fast Flash Programming Interface
Analog-to-Digital Converter
Two-Wire Interface
Analog
Analog
Analog
Output
Output
Type
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Comments
Digital pulled-up inputs at reset
Analog Inputs
6117AS–ATARM–20-Oct-04