bt829bkrf ETC-unknow, bt829bkrf Datasheet - Page 22

• Manufacturer Part Number: bt829bkrf
• Description: Video Streamii Decoders
• Manufacturer: ETC-unknow

12
1.0 Functional Description
1.3 Differences Between Bt829A/827A and Bt829B/827B
1.3 Differences Between Bt829A/827A
While both Bt829A/827A and Bt829B/827B video decoders are pin and software
compatible, please note the differences, as described in Table 1-3.
graphic/video controllers without the use of 5 V to 3.3 V level translators.
Table 1-3. Pin Function Differences
See Figure 3-4 for typical power and ground connections when in 3.3 V I/O
mode. The pins listed in Table 1-4 can output 3.3 V signal levels when pins 1, 20,
30, and 92 (VDDO) are connected to a 3.3 V power supply.
Table 1-4. 3.3 V Pin Output
1, 20, 30, 92
A 3.3 V mode has been added which allows the Bt829B to interface to 3.3 V
Pins
and Bt829B/827B
Pin Number
Bt829A/
22–29
827A
2–9
VDD
82
79
83
94
78
89
84
87
86
97
99
32
D829BDSA
Bt829B/
VDDO
827B
supply. For 5 V I/O, connect these pins to the 5
V supply.
For 3.3 V I/O, connect the pins to the 3.3 V
Comments
Pin Name
CCVALID
VACTIVE
HRESET
VRESET
CBFLAG
VD[15:8]
ACTIVE
DVALID
VD[7:0]
CLKX1
CLKX2
VideoStream II Decoders
FIELD
QCLK
TDO
Bt829B/827B