ATA557001C-DDT Atmel, ATA557001C-DDT Datasheet - Page 17

• Manufacturer Part Number: ATA557001C-DDT
• Description: IC IDIC SENSOR RW 1KBIT UFBGA
• Manufacturer: Atmel
• Series: -r

Specifications of ATA557001C-DDT

• Function: Read/Write
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

6.3
Figure 6-2.
9191B–RFID–05/11
Block-read mode
Regular-read mode
Sequence Start Marker
Atmel ATA5570C Sequence Start Marker in Extended Mode
Sequence Start Marker
10
10
Table 6-1.
The Atmel
used to synchronize the reader. The sequence start marker consists of two bits (“01” or “10”)
which are inserted as header before the first block to be transmitted if the bit 29 in extended
mode is set. At the start of a new block sequence, the value of the two bits is inverted.
Mode
FSK1
FSK2
PSK1
PSK2
PSK3
Manchester
Bi-phase 1 (’50) “1” creates an additional mid-bit change “0” creates an additional mid-bit change
Bi-phase 2 (’57) “0” creates an additional mid-bit change “1” creates an additional mid-bit change
NRZ
Notes:
Block n
Block 1
(1)
(1)
(2)
(2)
(2)
1. A common multiple of bit rate and FSK frequencies is recommended.
2. In PSK mode the selected data rate has to be an integer multiple of the PSK sub-carrier
®
frequency.
ATA5570C sequence-start marker is a special damping pattern which may be
Atmel
R
01
S
Block 2
Direct Data Output Encoding
FSK/5, FSK/8;
“0” = RF/5; “1” = RF/8
FSK/10, FSK/8;
“0” = RF/10; “1” = RF/8
Phase change when input changes
Phase change on bit clock if input high Phase change on bit clock if input low
Phase change on rising edge of input
“0” = falling edge
“1” = rising edge on mid-bit
“1” = damping on, “0” = damping off
< 100k Typical
®
Block n
ATA5570C Types of Modulation in Extended Mode and Sensor Input
MAXBLK
10
Block n
01
Block 1
01
Inverse Data Output Encoding
FSK/8, FSK/5;
“0” = RF/8; “1” = RF/5 (= FSK1a)
FSK/8, FSK/10;
“0” = RF/8; “1” = RF/10 (= FSK2a)
Phase change when input changes
Phase change on falling edge of input
“1” = falling edge
“0” = rising edge on mid-bit
“0” = damping on, “1” = damping off
Block n
Block 2
Atmel ATA5570C
10
MAXBLK
Block n
10
01
17