UPD61052 NEC, UPD61052 Datasheet - Page 50

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

4. SYSTEM INTERFACE PROCEDURE
it.
instruction RAM of internal CPU from SDRAM.
hardware reset and transfers the initialization program of SDRAM to instruction RAM of internal CPU and executing.
Host CPU writes firmware to SDRAM.
hardware ware reset and transfers the initialization program of SDRAM to instruction RAM of internal CPU from
external instruction ROM and executing. Host CPU loads firmware in SDRAM from instruction ROM outside.
and then it can do the changing of a feature at short time by the high-speed transfer of SDRAM.
interface register after hardware reset and sets the transfer of the instruction of the internal CPU after SDRAM is
initialized.
50
The host CPU transfers the firmware of each operation mode to the instruction RAM of the internal CPU and works
This LSI stores up firmware in SDRAM. Host CPU sets to load the firmware of each operation mode in the
When using a parallel bus interface for the host CPU interface, the host CPU sets a data transfer register after
When using a serial bus interface for the host CPU interface, the host CPU sets a data transfer register after
It stores the firmware of the encoding and the transcode to SDRAM from ROM in case of start-up of the system,
The host CPU sets the mode of the terminal of the
Data Sheet S15082EJ4V0DS
µ
PD61051/61052 and the access cycle of ROM to the system
µ
PD61051, 61052