Product Specs

Table Of Contents
42 NFCT Near field communication tag
Page
431
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
T
0 0 0 0
19
S
0
18
R
0
17
0
16
0
15
0
14
N
0
13
0
12
M
0
11
L
0
10
K
0
9
0
8
0
7
H
0
6
G
0
5
F
0
4
E
0
3
D
0
2
C
0
1
B
0
0
A
0
Id RW Field
Value Id
Value
Description
See EVENTS_STARTED
Clear
1
Disable
Disabled
0
Read: Disabled
Enabled
1
Read: Enabled
42.12.5 ERRORSTATUS
Address offset: 0x404
NFC Error Status register
Write a bit to '1' to clear it. Writing '0' has no effect.
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
D
0
2
C
0
1
0
0
A
0
Id RW Field
Value Id
Value
Description
A
RW
FRAMEDELAYTIMEOUT
No STARTTX task triggered before expiration of the time set in
FRAMEDELAYMAX
C
RW
NFCFIELDTOOSTRONG
Field level is too high at max load resistance
D
RW
NFCFIELDTOOWEAK
Field level is too low at min load resistance
42.12.6 FRAMESTATUS.RX
Address offset: 0x40C
Result of last incoming frames
Write a bit to '1' to clear it. Writing '0' has no effect.
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
C
0
2
B
0
1
0
0
A
0
Id RW Field
Value Id
Value
Description
A
RW
CRCERROR
CRCCorrect
0
No valid End of Frame detected
Valid CRC detected
CRCError
1
CRC received does not match local check
B
RW
PARITYSTATUS
ParityOK
0
Parity status of received frame
Frame received with parity OK
ParityError
1
Frame received with parity error
C
RW
OVERRUN
Overrun detected
NoOverrun
0
No overrun detected
Overrun
1
Overrun error
42.12.7 CURRENTLOADCTRL
Address offset: 0x430
Current value driven to the NFC Load Control
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
A
0
4
A
0
3
A
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A R CURRENTLOADCTRL Current value driven to the NFC Load Control
42.12.8 FIELDPRESENT
Address offset: 0x43C