AT91SAM7L128 Datasheet, PDF (7/48 Pages) ATMEL Corporation – AT91 ARM Thumb-based Microcontroller

AT91SAM7L128/64 Preliminary
Table 3-1. Signal Description List (Continued)
Signal Name Function
Type
Active Voltage
Level Reference Comments
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
Input
VDDCORE
ADTRG
ADC Trigger
Input
ADVREF
ADC Reference
Analog
VDDCORE
Fast Flash Programming Interface
PGMEN0-
PGMEN2
Programming Enabling
Input
VDDIO1
PGMM0-
PGMM3
Programming Mode
Input
VDDIO1
PGMD0-
PGMD15
Programming Data
I/O
VDDIO1
PGMRDY
Programming Ready
Output High
VDDIO1
PGMNVALID Data Direction
Output
Low
VDDIO1
PGMNOE
Programming Read
Input
Low
VDDIO1
PGMCK
Programming Clock
Input
VDDIO1
PGMNCMD Programming Command
Input
Low
VDDIO1
Segmented LCD Controller
COM[9:0]
Common Terminals
Output
VDDIO2
SEG[39:0]
Segment Terminals
Output
VDDIO2
7
6257AS–ATARM–28-Feb-08