UPD61052 NEC, UPD61052 Datasheet - Page 36
UPD61052
Manufacturer Part Number
UPD61052
Description
MPEG2 Audio / Video Encoder
Manufacturer
NEC
Datasheet
1.UPD61052.pdf
(106 pages)
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2.8
area) is the area which firmware does not use. Video Image area size is changed NTSC or PAL. Each area are
changed by the firmware.
36
Firmware sets memory map such as video image area and usable work area. Firmware cabinet (temporal buffered
Audio stream 0
User data 0
Firmware
Firmware
Firmware
Memory Map
Header
7FFFFH
00000H
Video Stream 0
Bank A
Audio Stream
User Data 0
Firmware
Firmware
Firmware
Header
Image
Video
Area
(b) Example for 64 Mbit SDRAM by 1
Video Stream 0
Figure 2-15. Memory Map (1/2)
7FFFFH
Bank B
00000H
(a) 16 Mbit SDRAM by 2
Data Sheet S15082EJ4V0DS
Video Stream
Bank A
Usable Work Area
Video Stream 1
Instruction Pool
Bank C
Image
Video
Area
Video Stream
Bank B
Image
Video
Area
Usable Work Area
Video Stream 1
Instruction Pool
Bank D
00000H
7FFFFH
Audio stream 1
µ
PD61051, 61052
User data 1
Unused
Firmware
Firmware
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