ATA5278 ATMEL Corporation, ATA5278 Datasheet - Page 10
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ATA5278
Manufacturer Part Number
ATA5278
Description
Stand-alone Antenna Driver
Manufacturer
ATMEL Corporation
Datasheet
1.ATA5278.pdf
(34 pages)
Table 3-1.
10
No.
10
11
1
2
3
4
5
6
7
8
9
I/O
O1
O1
O1
O1
O2
O1
O2
O1
O2
O1
O2
O1
O2
O1
O2
O1
Ox
I1
I1
I1
I1
I1
I2
I1
I2
I1
I2
I1
I2
I1
I2
I1
I2
I1
Ix
ATA5278
MSB
HB7
SR
SR
SR
SR
SR
SR
SR
SR
SR
SR
SR
B7
SPI Commands
X
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
HB6
D6
D6
B6
X
X
X
X
6
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HB5
IC3
IC3
D5
D5
B5
IC
X
X
X
X
5
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HB4
IC2
IC2
CH
D4
D4
B4
4
0
0
1
0
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
X
0
0
0
X
0
0
X
0
HB3
IC1
IC1
OL
D3
D3
B3
X
X
X
X
3
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
0
0
1
0
0
0
0
BR1
BR1
HB2
IC0
IC0
SH
D2
D2
B2
X
X
X
X
2
0
0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
0
1
0
0
0
0
RTS
RTS
RTS
RTS
RTS
RTS
RTS
BR0
RTS
RTS
RTS
RTS
BR0
HB1
SL
D1
D1
B1
X
X
X
X
1
0
0
0
0
0
0
0
1
0
0
0
1
1
1
LSB
HB0
AP
AP
PS
PS
OT
D0
D0
B0
X
X
X
X
0
0
1
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Description
Check status of IC
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
Reset fault memory
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
Stop modulator
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
Enable power-down mode
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
Write configuration register 1
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
IC3..0: antenna coil current selector
AP: 0 ASK modulation mode, 1 PSK modulation mode
Read configuration register 1
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
IC3..0: antenna coil current selector
AP: 0 ASK modulation mode, 1 PSK modulation mode
Write configuration register 2
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
BR1..0: LF data baud rate selector
PS: 0 CLKO prescaler disabled, 1 prescaler enabled
Read configuration register 2
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
BR1..0: LF data baud rate selector
PS: 0 CLKO prescaler disabled, 1 prescaler enabled
Read status register
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
IC: illegal command received
CH: overcurrent in antenna footpoint detected
OL: open load detected
SH: overcurrent to VBATT detected at driver output
SL: overcurrent to GND detected at driver output
OT: overtemperature detected
Check free LF data buffer space
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
D6..0: free logical LF data bits in buffer
Write LF data to buffer and start modulator
SR: 0 system not ready, 1 system ready
RTS: 0 modulator not ready, 1 modulator ready
D6..0: number of logical LF bits to be written into buffer
HB7..0: LF half bits (2 for one logical bit)
B7..0: input bit from the previous controller data word
4832D–RKE–12/07