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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)： | 40/48頁 |
| 文件大?。?/td> | 219K |
| 代理商： | LZ85202 |
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LZ85202
34
IrDA Control Host Controller with USB Interface User
’
s Guide
IrBC
Computing capability for CRC-8 and CRC-16, and has built-in 2 channels of 8 bit timer
available for the protocols, and 10-byte size FIFO for both transmission and receive.
RAM (Random Access Memory) and ROM (Read Only Memory)
Memories for HC functions. RAM is used for the work area, and the ROM contains the pro-
tocol as well as application firmware of the HC.
Port
Serial EEPROM
As described in separate section, serial EEPROM is used to memorize variety of data such
as Host Address, Host ID, PFID, and Peripheral Specific Information. The ports on the
serial EEPROM are configured as illustrated in Figure 18.
Status Indicator LED
As described in separate section, LEDs are used to indicate the internal status of the USB
Dongle. Bits are configured as described in Figure 19. Current HC firmware assigns status
LEDs from number 65 to number 72 pinouts.
Figure 18. Serial EEPROM Bit Assignment
BIT
7
BIT
6
FIXED 0000
BIT
5
BIT
4
BIT
3
BIT
2
BIT
1
BIT
0
EEPDATA PINOUT
EEPCK PINOUT
EEPCS PINOUT
INPUT/OUTPUT SELECTION
BIT OF EEPDATA PINOUT
(0: INPUT, 1: OUTPUT)
LZ85202-17
Figure 19. Status LED Bit Assignment
BIT
7
BIT
6
RESERVE
BIT
5
BIT
4
BIT
3
BIT
2
BIT
1
BIT
0
NumLock PINOUT
ScrollLock PINOUT
Voltage PINOUT
CapsLock PINOUT
USB CONFIGURATION 2 PINOUT
BIND INDICATOR PINOUT
ENUM INDICATOR PINOUT
USB CONFIGURATION 1 PINOUT
LZ85202-18
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