SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 484
SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
- Current page: 484 of 1465
- Download datasheet (26Mb)
26.18.3
Name:
Address:
Access:
Reset:
• SMCSTS: NAND Flash Controller status (this field cannot be reset)
0: NAND Flash Controller is disabled.
1: NAND Flash Controller is enabled.
• RB_RISE: Selected Ready Busy Rising Edge Detected
When set to one, this flag indicates that a rising edge on Ready/Busy Line has been detected. This flag is reset after a sta-
tus read operation. The Ready/Busy line selected is the decoding of the set NFCCSID, RBNSEL fields.
• RB_FALL: Selected Ready Busy Falling Edge Detected
When set to one, this flag indicates that a falling edge on Ready/Busy Line has been detected. This flag is reset after a sta-
tus read operation. The Ready/Busy line is selected through the decoding of the set NFCSID, RBNSEL fields.
• NFCBUSY: NFC Busy (this field cannot be reset)
When set to one this flag indicates that the Controller is activated and accesses the memory device.
• NFCWR: NFC Write/Read Operation (this field cannot be reset)
When a command is issued, this field indicates the current Read or Write Operation. This field can be manually updated
with the use of the SMC_CTRL register.
• NFCSID: NFC Chip Select ID (this field cannot be reset)
When a command is issued, this field indicates the value of the targeted chip select. This field can be manually updated
with the use of the SMC_CTRL register.
• XFRDONE: NFC Data Transfer Terminated
When set to one, this flag indicates that the NFC has terminated the Data Transfer. This flag is reset after a status read
operation.
• CMDDONE: Command Done
When set to one, this flag indicates that the NFC has terminated the Command. This flag is reset after a status read
operation.
484
484
NFCASE
31
23
15
–
–
7
–
SAM3X/A
SAM3X/A
SMC NFC Status Register
0x400E0008
SMC_SR
Read-only
0x00000000
AWB
30
22
14
–
6
–
RB_FALL
NFCSID
UNDEF
29
21
13
–
5
RB_RISE
DTOE
28
20
12
–
4
NFCWR
27
19
11
–
–
3
–
26
18
10
–
–
–
2
–
CMDDONE
25
17
–
9
–
1
–
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
RB_EDGE0
XFRDONE
NFCBUSY
SMCSTS
24
16
8
0
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