Datasheet

SAM3X / SAM3A [DATASHEET]
Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15
310
The table below shows the signal assignment of the PIO lines in FFPI mode
19.2.2 Signal Names
Depending on the MODE settings, DATA is latched in different internal registers.
When MODE is equal to CMDE, then a new command (strobed on DATA[15:0] signals) is stored in the command
register.
Table 19-2. FFPI PIO Assignment
FFPI Signal PIO Used
PGMNCMD PA0
PGMRDY PA1
PGMNOE PA2
PGMNVALID PA3
PGMM[0] PA4
PGMM[1] PA5
PGMM[2] PA6
PGMM[3] PA7
PGMD[0] PA8
PGMD[1] PA9
PGMD[2] PA10
PGMD[3] PA11
PGMD[4] PA12
PGMD[5] PA13
PGMD[6] PA14
PGMD[7] PA15
PGMD[8] PA16
PGMD[9] PA17
PGMD[10] PA18
PGMD[11] PA19
PGMD[12] PA20
PGMD[13] PA21
PGMD[14] PA22
PGMD[15] PA23
Table 19-3. Mode Coding
MODE[3:0] Symbol Data
0000 CMDE Command Register
0001 ADDR0 Address Register LSBs
0010 ADDR1 Address Register MSBs
0101 DATA Data Register
Default IDLE No register