T555401N-DDW Atmel, T555401N-DDW Datasheet - Page 6

• Manufacturer Part Number: T555401N-DDW
• Manufacturer: Atmel

Specifications of T555401N-DDW

• Screening Level: Industrial
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Figure 3-4.
6
T5554
-----------------------------------
--
AOR
BT
ST
PWD
STOP
BR
MS1
MS2
PSKCF
MAXBLK see Maxblock feature
reserved
* Bit 15 and 24 must always be at "0",
lock bit (never transmitted)
0
otherwise malfunction will appear.
Memory Map of Block 0
1
Modulator Stage 1
Modulator Stage 2
use Block Terminator
use Sequence Terminator
Anwer-On-Request
Bit Rate
use Password
obey stop header (active low!)
PSK Clock Frequency
Key:
do not use
reserved
11
0 0 0 RF/8 bitrate_8cpb
0 0 1 RF/16 bitrate_16cpb
0 1 0 RF/32 bitrate_32cpb
0 1 1 RF/40 bitrate_40cpb
1 0 0 RF/50 bitrate_50cpb
1 0 1 RF/64 bitrate_64cpb
1 1 0 RF/100 bitrate_100cpb
1 1 1 RF/128 bitrate_128cpb
[2] [1] [0]
12
BR
13
14
"0"
15
*
0 0 direct
0 1 Manchester
1 0 Biphase
1 1 reserved
16 17
[1] [0]
MS1
0 0 0 direct
0 0 1 psk1 (phase change when input changes)
0 1 0 psk2 (phase change on bitclk if input high)
0 1 1 psk3 (phase change on rising edge of input)
1 0 0 fsk1 rf/8 rf/5
1 0 1 fsk2 rf/8 rf/10
1 1 0 fsk1a rf/5 rf/8
1 1 1 fsk2a rf/10 rf/8
18
[2] [1] [0]
MS2
19
-----------------------------------
o/p freq. DATA=1 DATA=0
20
0 0 RF/2
0 1 RF/4
1 0 RF/8
1 1 reserved
PSKCF
21
[1] [0]
22
AOR
23
"0"
24
*
0 0 0 0
0 0 1 1
0 1 0 1 to 2
0 1 1 1 to 3
1 0 0 1 to 4
1 0 1 1 to 5
1 1 0 1 to 6
1 1 1 1 to 7
25
[2] [1] [0]
MAXBLK
26
27
send blocks:
usePWD
28
useST
29
useBT
30
*useSTOP
31
4576D–RFID–12/06
res'd
32