STV0299B STMicroelectronics, STV0299B Datasheet - Page 11

• Manufacturer Part Number: STV0299B
• Manufacturer: STMicroelectronics

Specifications of STV0299B

• Pin Count: 64
• Screening Level: Commercial
• Lead Free Status / Rohs Status: Specific Sites Compliant

For the “Unmodulated Tone Burst” Port CTRL 2 is
set to 0 and, only one byte, of value 00h is sent.
The parity bit is still 1, and as a result, the signal is
a continuous train of 12.5 ms. When the
modulation is active, the DiSEqC output is driven
Figure 5:
Table 3:
Note:
4.1.13 Standby Mode
A low power consumption mode (standby mode)
can be implemented (in this mode, f
standby mode, the I
with some restrictions (see Sections 4.1.4 and
4.1.5 ).
Standby mode can be initiated or stopped by I
bus commands as described in MCR Register 02.
PortCtrl (1:0)
1
2
00
01
10
11
Byte to transfer in DiSEqC mode.
In mode PortCtrl (1:0)=10, the F
Idle
Schematic showing Bit Transmission
2
11 Periods
C decoder still operates, but
PortCtrl (2)
X
X
X
0
1
1
22
/DiSEqC pin returns to High -2 mode once the transmission is completed.
M_CLK
11 Periods
= 0). In
2
C
DATA = FFor00
DATA = 00
alternatively to V
and Lock Control, DiSEqC FIFO and DiSEqC
Status Registers are in Addresses 08, 09 and
0Ah.
At power-on, the circuit starts to operate in
standby mode when the STDBY pin (pin 42) is
tied
consumption
(PCMCIA size front-end modules) before any
command
sequence, the standby mode is entirely controlled
via MCR Register (02).
empty
empty
Note 1
11 Periods
FIFO
XX
to
V
DD
is
.
for
initiated.
DD
This
Next bit
and V
the
Unmodulated tone burst
guarantees
Modulated tone burst
SS
stand-alone
Continuous tone
Transmission of 1’s
Transmission of 0’s:
After
DiSEqC signal
a) PortCtrl2 = 1
b) PortCtrl2 = 0
levels. The DiSEqC
Output
1
0
the
STV0299B
low
power-on
modules
power
11/36