Datasheet

8
SAM7S Series [DATASHEET]
6175KS–ATARM–25-Oct-12
Note: 1. Refer to Section 6. “I/O Lines Considerations” on page 14.
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 Digital pulled-up inputs at reset
AD4-AD7 Analog Inputs Analog Analog Inputs
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 PGMD0-PGMD7 only on SAM7S32/16
PGMRDY Programming Ready Output High
PGMNVALID Data Direction Output Low
PGMNOE Programming Read Input Low
PGMCK Programming Clock Input
PGMNCMD Programming Command Input Low
Table 3-1. Signal Description List (Continued)
Signal Name Function Type
Active
Level Comments