Product Specs

42 NFCT — Near field communication tag
Page
433
Bit number
31 30
29
28
27
26
25
24
23 22 21 20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Id
A A
A
A
A
A
A
A
A A A A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Reset 0x00000000
0 0
0
0
0
0
0
0
0 0 0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Id
RW Field
Value Id
Value
Description
A RW PTR Packet pointer for TXD and RXD data storage in Data RAM. Thisaddress
is a byte aligned RAM address.
42.12.13 MAXLEN
Address offset: 0x514
Size of allocated for TXD and RXD data storage buffer in Data RAM
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
A
0
7
A
0
6
A
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 RW MAXLEN [0..257] Size of allocated for TXD and RXD data storage buffer in DataRAM
42.12.14 TXD.FRAMECONFIG
Address offset: 0x518
Configuration of outgoing frames
Bit number
Id
Reset 0x00000017
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
D
1
3
0
2
C
1
1
B
1
0
A
1
Id RW Field
Value Id
Value
Description
A
RW
PARITY
NoParity
0
Adding parity or not in the frame
Parity is not added in TX frames
Parity
1
Parity is added TX frames
B
RW
DISCARDMODE
Discarding unused bits in start or at end of a Frame
DiscardEnd
0
Unused bits is discarded at end of frame
DiscardStart
1
Unused bits is discarded at start of frame
C
RW
SOF
Adding SoF or not in TX frames
NoSoF
0
Start of Frame symbol not added
SoF
1
Start of Frame symbol added
D
RW
CRCMODETX
CRC mode for outgoing frames
NoCRCTX
0
CRC is not added to the frame
CRC16TX
1
16 bit CRC added to the frame based on all the data read from
RAM that is used in the frame
42.12.15 TXD.AMOUNT
Address offset: 0x51C
Size of outgoing frame
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
B
0
10
B
0
9
B
0
8
B
0
7
B
0
6
B
0
5
B
0
4
B
0
3
B
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW TXDATABITS
[0..7]
Number of bits in the last or first byte read from RAM that shall
be included in the frame (excluding parity bit).
The DISCARDMODE field in FRAMECONFIG.TX selects if unused
bits is discarded at the start or at the end of a frame. A value of
0 data bytes and 0 data bits is invalid.
B RW TXDATABYTES
[0..257]
Number of complete bytes that shall be included in the frame,
excluding CRC, parity and framing