Datasheet

435
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
25.8.4 System I/O Configuration Register
Name: CCFG_SYSIO
Address:0x400E0314
Access Read/Write
Reset: 0x0000_0000
• SYSIO4: PB4 or TDI Assignment
0: TDI function selected.
1: PB4 function selected.
• SYSIO5: PB5 or TDO/TRACESWO Assignment
0: TDO/TRACESWO function selected.
1: PB5 function selected.
• SYSIO6: PB6 or TMS/SWDIO Assignment
0: TMS/SWDIO function selected.
1: PB6 function selected.
• SYSIO7: PB7 or TCK/SWCLK Assignment
0: TCK/SWCLK function selected.
1: PB7 function selected.
• SYSIO10: PB10 or DDM Assignment
0: DDM function selected.
1: PB10 function selected.
• SYSIO11: PB11 or DDP Assignment
0: DDP function selected.
1: PB11 function selected.
• SYSIO12: PB12 or ERASE Assignment
0: ERASE function selected.
1: PB12 function selected.
25.8.5 SMC NAND Flash Chip Select Configuration Register
Name: CCFG_SMCNFCS
Address:0x400E031C
31 30 29 28 27 26 25 24
––––––––
23 22 21 20 19 18 17 16
––––––––
15 14 13 12 11 10 9 8
– – – SYSIO12 SYSIO11 SYSIO10 – –
76543210
SYSIO7 SYSIO6 SYSIO5 SYSIO4 – – – –