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参数资料
| 型号： | CS7410 |
| 厂商： | Cirrus Logic, Inc. |
| 英文描述： | CD/MP3/WMA Audio Controller |
| 中文描述： | CD/MP3/WMA音频控制器 |
| 文件页数： | 32/39页 |
| 文件大小： | 366K |
| 代理商： | CS7410 |
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CS7410
32
DS553PP1
4.5
ROM/NVRAM Interface
The ROM/NVRAM Interface pins are described in
Table 12
. This interface connects to the non-volatile
memory that contains the firmware. The memory could be ROM, NVRAM (FLASH), EEPROM, or any com-
bination of these memory types. This interface can also connect to SRAM that would emulate a ROM on a
development system. The bus width is always 8 bits. Most of these pins are shared with the DRAM interface,
which operates simultaneously with the ROM/NVRAM interface. A number of pins are defined to accept con-
figuration input at power-up (see
Table 7
), allowing different branches to be taken in the firmware. A config-
uration resistor is required on pin PCM_DO_0 to select whether the processor will boot from internal or
external ROM
.
25, 26, 27, 28,
29, 30, 31, 32,
33, 34, 35, 36
DRAM
Address[11..0]
O
Memory Address Bus.
37
DR_RAS_L
O
Memory Row Address Strobe
39
DR_CAS_L
O
Memory Column Address Strobe
41
M_WE_L
O
Memory Write Enable
47
M_AP_OE
O
Memory Output Enable
Pin
Signal Name
Type
Description
Table 11. EDO DRAM Interface (Continued)
Pin
Signal Name
Type
Description
11, 13, 15, 20,
21, 22, 23, 24
NVMem Data[7..0]
B
Memory Data Bus (shared with bits [7:0] of DRAM data
bus).
25, 26, 27, 28,
29, 30, 31, 32,
33, 34, 35, 36
NVM_Addr[11..0]
O
Memory Address Bus[11..0] (shared with DRAM address
bus)
3, 4, 5, 6, 7, 8, 9,
10
NVM_Addr[19..12]
O
Memory Address Bus[19..12] (shared with bits [15..8] of
DRAM data bus).
46
NVM_Addr[20]
O
Memory Address Bus[20] (DRAM BS_L pin).
41
NVM_WE_L
O
NVRAM Write Enable (shared with DRAM WE_L pin)
47
NVM_OE_L
O
NVRAM Write Enable (shared with DRAM WE_L pin)
48
NVM_CE_L
O
ROM/NVRAM Chip Enable.
Table 12. ROM/NVRAM Interface
相关PDF资料 |
PDF描述 |
|---|---|
| CS7410-CM | CD/MP3/WMA Audio Controller |
| CS7410-CQ | CD/MP3/WMA Audio Controller |
| CS7615 | CCD IMAGER ANALOG PROCESSOR |
| CS7615-KQ | CCD IMAGER ANALOG PROCESSOR |
| CS7620 | CCD IMAGER ANALOG PROCESSOR |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CS7410-CM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CS7410-CQ | 功能描述:音频 DSP CD/MP3/WMA/AAC Audio Controller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| CS7410-DQZ | 功能描述:音频 DSP CD/MP3/WMA/AAC Audio Controller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| CS7410-DQZR | 功能描述:音频 DSP CD/MP3/WMA/AAC Audio Controller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
| CS7410-IQZ | 功能描述:音频 DSP CD/MP3/WMA/AAC Audio Controller RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
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