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參數(shù)資料
| 型號： | LZ85202 |
| 廠商： | Sharp Corporation |
| 英文描述： | IrDA Control Host Controller with USB Interface(帶USB接口的IrDA控制主控制器) |
| 中文描述： | 紅外線控制主機(jī)控制器與USB接口（帶的USB接口的紅外線控制主控制器） |
| 文件頁數(shù)： | 15/48頁 |
| 文件大?。?/td> | 219K |
| 代理商： | LZ85202 |
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LZ85202
IrDA Control Host Controller with USB Interface User
’
s Guide
9
Interface with Serial EEPROM
For the USB dongle implementation using HC, an external serial EEPROM needs to be
connected to HC. This is used to store the enumerated Peripherals information. Recom-
mended serial EEPROM P/N: AT93C56, 2K (128
×
16) by ATMEL. These LSIs must inter-
face as described in Figure 8 Signal lines: EEPCS, EEPCK, and EEPDATA. The HC and
the serial EEPROM have a serial connection. These two LSIs can be operated at 5.0 V,
the 10 k
resistor is recommended between EEPDATA of HC and DO of serial the
EEPROM for HC device protection. Please refer to the AT93C56 data sheet for the timing
of the EEPROM.
When using an EEPROM other than the recommended P/N, it must completely meet the
all operation timings shown in AT93C56 (ATMEL) specifications.
Figure 8. Interface Between HC and Serial EEPROM
EEPCS
EEPCK
EEPDATA
CS
SK
DI
DO
LZ85202-8
LZ85202
AT93C56
SERIAL EEPROM
2 K BIT [128 x 16]
HC
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