SAMA5D43_14 Datasheet, PDF (535/1776 Pages) ATMEL Corporation – Atmel | SMART ARM-based Embedded MPU

30.20.1 HSMC NFC Configuration Register
Name:
HSMC_CFG
Address: 0xFC05C000
Access:
Read/Write
31
30
29
28
27
26
25
–
NFCSPARESIZE
23
22
21
20
19
18
17
–
DTOMUL
DTOCYC
15
14
13
12
11
10
9
–
–
RBEDGE
EDGECTRL
–
–
RSPARE
7
6
5
4
3
2
1
–
–
–
–
–
PAGESIZE
• PAGESIZE: Page Size of the NAND Flash Device
Value Name Description
0
PS512 Main area 512 bytes
1
PS1024 Main area 1024 bytes
2
PS2048 Main area 2048 bytes
3
PS4096 Main area 4096 bytes
4
PS8192 Main area 8192 bytes
• WSPARE: Write Spare Area
0: The NFC skips the spare area in write mode.
1: The NFC writes both main area and spare area in write mode.
• RSPARE: Read Spare Area
0: The NFC skips the spare area in read mode.
1: The NFC reads both main area and spare area in read mode.
• EDGECTRL: Rising/Falling Edge Detection Control
0: Rising edge is detected
1: Falling edge is detected
• RBEDGE: Ready/Busy Signal Edge Detection
0: When configured to zero, RB_EDGE fields indicate the level of the Ready/Busy lines.
1: When set to one, RB_EDGE fields indicate only transition on Ready/Busy lines.
• DTOCYC: Data Timeout Cycle Number
24
16
8
WSPARE
0
SAMA5D4 Series [DATASHEET]
Atmel-11238A-ATARM-SAMA5D4-Datasheet_30-Sep-14
535