Rainbow Electronics ATA5812 - Manual (Page 38)

38
ATA5811/ATA5812 [Preliminary]
4689B–RKE–04/04
Control Register 6 (ADR 5)
Table 32. Control Register 5 (Function of Bit 5, Bit 4, Bit 3, Bit 2, Bit 1 and Bit 0 in TX Mode)
Lim_min5 Lim_min4 Lim_min3 Lim_min2 Lim_min1 Lim_min0
Function (TX Mode) Lim_min
(Lim_min < 10 are not applicable)
(TX_Baudrate = 1/((Lim_min + 1)
×
T
XDCLK
×
2)
0 0 1 0 1 0 10
0 0 1 0 1 1 11
. . . . . .
0 1 0 0 0 0
16
(TX_Baudrate = 1/((16 + 1)
×
T
XDCLK
×
2)
(default)
. . . . . .
1 1 1 1 1 1 63
Table 33. Control Register 6 (Function of Bit 7 and Bit 6)
Baud1 Baud0 Function
0 0
Baud-rate range 0 (B0) 1.0 kBaud to 2.5 kBaud;
T
XDCLK
= 8 × T
DCLK
× X
Lim
0 1
Baud-rate range 1 (B1) 2.0 kBaud to 5.0 kBaud;
T
XDCLK
= 4 × T
DCLK
× X
Lim
1 0
Baud-rate range 2 (B2) 4.0 kBaud to 10.0 kBaud;
T
XDCLK
= 2 × T
DCLK
× X
Lim
; (default)
1 1
Baud-rate range 3 (B3) 8.0 kBaud to 20.0 kBaud;
T
XDCLK
= 1 × T
DCLK
× X
Lim
,
Note that the receiver is not working with >10 kBaud in ASK mode
Table 34. Control Register 6 (Function of Bit 5, Bit 4, Bit 3, Bit 2, Bit 1 and Bit 0)
Lim_max5 Lim_max4 Lim_max3 Lim_max2 Lim_max1 Lim_max0
Function Lim_max
(Lim_max < 12 Are Not Applicable)
(T
Lim_max
= (Lim_max - 1)
×
T
XDCLK
)
0 0 1 1 0 0 12
0 0 1 1 0 1 13
. . . . . .
0 1 1 1 0 0
28
(T
Lim_max
= (28 - 1) × T
XDCLK
)
(default)
. . . . . .
1 1 1 1 1 1 63