Datasheet

292
11011B–ATARM–21-Feb-12
SAM3N
Notes: 1. DATA[7:0] pertains to the SAM3NxA (48 bits).
2. PGMD[7:0] pertains to the SAM3NxA (48 bits).
Table 19-1. Signal Description List
Signal Name Function Type
Active
Level Comments
Power
VDDIO I/O Lines Power Supply Power
VDDCORE Core Power Supply Power
VDDPLL PLL Power Supply Power
GND Ground Ground
Clocks
XIN Main Clock Input Input 32KHz to 50MHz
Test
TST Test Mode Select Input High Must be connected to VDDIO
PGMEN0 Test Mode Select Input High Must be connected to VDDIO
PGMEN1 Test Mode Select Input High Must be connected to VDDIO
PGMEN2 Test Mode Select Input Low Must be connected to GND
PIO
PGMNCMD Valid command available Input Low Pulled-up input at reset
PGMRDY
0: Device is busy
1: Device is ready for a new command
Output High Pulled-up input at reset
PGMNOE Output Enable (active high) Input Low Pulled-up input at reset
PGMNVALID
0: DATA[15:0] or DATA[7:0]
(1)
is in input mode
1: DATA[15:0] or DATA[7:0]
(1)
is in output mode
Output Low Pulled-up input at reset
PGMM[3:0] Specifies DATA type (See Table 19-2) Input Pulled-up input at reset
PGMD[15:0] or [7:0]
(2)
Bi-directional data bus Input/Output Pulled-up input at reset