cx25840 Conexant Systems, Inc., cx25840 Datasheet - Page 144

• Manufacturer Part Number: cx25840
• Description: Video Decoder And Broadcast Audio
• Manufacturer: Conexant Systems, Inc.

Register Map
5.2
5-2
Table 5-3. Register Map Summary (1 of 11)
Address (hex)
0x00A
0x000
0x001
0x000
0x002
0x004
0x006
0x008
0x00E
0x100
0x101
0x102
0x103
0x104
0x105
0x106
0x107
0x108
Register Map Summary
Table 5-2. Address Space Organization
Subaddress [11:8]
Table 5-2
(bits 11:8) is used to select the register module. Note that the first 256 bytes of the
map can be used for either the Serial Slave registers, or the VIP Host registers,
depending on which serial interface is enabled.
and their addresses.
0000
0001
0010
0011
01xx
1xxx
Miscellaneous Chip Control Configuration
shows the overall scheme for organizing the register space. The third nibble
Serial Communications Host Registers:
VIP Communications Host Registers:
VIP Subsystem Vendor ID
Chip Configuration Registers:
Device ID High Byte
Device ID Low Byte
Video Input Control
VIP Subsystem ID
Video PLL Integer
VIP Clock Status
Register Name
Host Register 1
Host Register 2
VIP Command
VIP Vendor ID
VIP Device ID
AFE Control 1
AFE Control 2
AFE Control 3
AFE Control 4
VIP Status
Register Domain
Serial Slave/VIP
Video Decoder
Audio Decoder
Conexant
Chip Config
RESERVED
IR Blaster
Size (Bytes)
Table 5-3
256
256
256
256
1K
2K
provides a list of all registers
Page Number
page 5-13
page 5-13
page 5-14
page 5-14
page 5-14
page 5-14
page 5-15
page 5-15
page 5-15
page 5-16
page 5-16
page 5-16
page 5-17
page 5-17
page 5-18
page 5-18
page 5-19
page 5-19
CX25840/1/2/3 Data Sheet
102284B
8/3/05