bt829bkrf ETC-unknow, bt829bkrf Datasheet - Page 108

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

98
4.0 Control Register Definitions
0x17—ID Code Register (IDCODE)
0x17—ID Code Register (IDCODE)
This control register may be read by the MPU at any time. PART_REV(0) is the LSB.
PART_ID
PART_REV
0x18—AGC Delay Register (ADELAY)
This control register may be written to or read by the MPU at any time. Upon reset, it is initialized to 0x68.
ADELAY
7
1
7
0
This register indicates the AGC gate delay for back-porch sampling. The following equation
should be used to determine the value for this register:
For example, for an NTSC input signal:
6
1
6
1
PART_ID
0x0 – 0xF = Current Revision ID Code
ADELAY = ( 6.8 S * f
ADELAY = ( 6.8 S * 14.32 MHz ) + 7
5
1
5
1
1110 =
1100 =
= 104 (0x68)
Bt829A Part ID Code
Bt827A Part ID Code
4
0
4
0
D829BDSA
ADELAY
CLKx1
3
0
3
1
) + 7
2
0
2
0
PART_REV
VideoStream II Decoders
1
0
1
0
Bt829B
0
0
0
0