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參數(shù)資料
| 型號(hào)： | MB87L2250 |
| 廠商： | FUJITSU LTD |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | MPEG2 Transport, Video and Audio Decoder with integrated 32-Bit RISC CPU |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP208 |
| 封裝： | PLASTIC, FP-208 |
| 文件頁(yè)數(shù)： | 5/6頁(yè) |
| 文件大?。?/td> | 127K |
| 代理商： | MB87L2250 |
Fujitsu Mikroelektronik GmbH Proprietary Information
5
Product Profile
October 1998
Edition 1.1
MB87L2250 - MPEG2 Decoder
Confidential
2.9.
Audio Output
Over sampling clock: 384 fs/256 fs
Bit clock: 32 fs / 48 fs / 64 fs
Support of different audio-DAC’s via serial I/F
Fractional counter for audio clock generation
Programmable bit order (MSB or LSB First)
skip / repeat sample programmable
2.10. External RAM
16 Mbit SDRAM, 16 Bit data bus
Pipelined Type, >83 MHz @ 81 MHz system clock
Organisation: 2 banks, 2048 rows x 256 words
2.11. Synchronisation
dedicated system synchronisation hardware for
-
clock recovery (PCR handling)
-
video / audio synchronisation (PTS / DTS handling)
-
PWM generator for external VCXO control
automatic hardware control (software control optional) for
-
video output
-
video decoder
-
audio decoder
-
PWM signal for 27 MHz VCXO
2.12. IC Card Interface
two IC card interfaces with timer function
2.13. IIC Interface
The I
2
C master interface supports I
2
C master mode with four operating modes:
-
random access write, writing of one data byte to a specified address
-
random access read, reading of one data byte from a specified address
-
direct write, writing of a data burst
-
direct read, reading of a data burst
2.14. General Purpose I/O
16 general purpose I/O‘s
write data
-
open drain output (programmable)
read data
IRQ sensitive (programmable)
-
level / edge sensitive
2.15. Infra Red Receiver
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