UPD61052 NEC, UPD61052 Datasheet - Page 66

• Manufacturer Part Number: UPD61052
• Description: MPEG2 Audio / Video Encoder
• Manufacturer: NEC

5.2
5.2.1
commands to operate in three states as shown in the table below.
5.2.2
66
Address
00H
Address
01H
The host CPU can change the state of operation to the command code register. The
The command which it is possible to set depend on the internal state.
In case of the command whose state transfer is possible, the state transfers according to the command.
This register shows processing state, when command is illegal, the state doesn’t transfer.
Example of the Common Register Which A Firmware Defines
COMCODE: Command code register
ESTS: Status register
Bit7
Bit7
Bit6
Bit6
Standby / Stop
Start
Reserved
Initial State
Standby State
Encoding State
Command
Bit5
Bit5
ESTS
Bit4
Bit4
Data Sheet S15082EJ4V0DS
001
011
Others
000
001
011
Bit3
Bit3
Code
Code
Bit2
Bit2
COMCODE
ESTS
Bit1
Bit1
Bit0
Bit0
µ
PD61051/61052 accepts
µ
PD61051, 61052