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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)： | 37/48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
31
Pinout Functions and Descriptions
Table 16. LZ85202 Pinout Function
SYMBOL
I/O
DESCRIPTION
CI
Input
Connected to the crystal oscillator. See Figure 17, the recommended circuit diagram.
CO
Output
Connected to the crystal oscillator. See Figure 17, the recommended circuit diagram.
RESET
Input
Active LOW/Reset signal input.
IRTx
Output
Data signal output for infrared transmission. It must be connected to the TXD pin of the in-
frared transceiver (GP2W2001YK).
IRTxBIAS
Output
BIAS signal output for infrared communication. It is used to add DC BIAS on the IR transmis-
sion.
IRTxLPFC
Output
LPFC signal output for infrared transmission. This function is for future expansion. In practi-
cal implementation, it is regarded as OPEN.
IRRx1
Schmitt
Input
Data signal input for infrared receipt. It must be connected to the V
O
pin of infrared transceiv-
er (GPW2001YK).
IRRx2
Schmitt
Input
Data signal input for infrared receiver. This functionally is for future expansion. In practical
implementation, it must be connected to GND.
FECNT
Output
Active LOW/Control signal output to shutdown in infrared transceiver. It must be connected
to the SD pin of the infrared transceiver (GPW2001YK).
FERESET
Output
Active LOW/Reset signal output for infrared transceiver. It must be connected to the RESET
pin of infrared transceiver (GPW2001YK).
USBRCV
Input
Receive signal input for USB transceiver. It must be connected to the RCV pinout of USB
transceiver (PDIUSBP11).
VP
Input
D+ signal input for USB transceiver. It must be connected to the VP pinout of USB transceiv-
er (PDIUSBP11).
VM
Input
D- signal input for USB transceiver. It must be connected to the VM pinout of USB transceiver
(PDIUSBP11).
VPO
Output
D+ signal input for USB transceiver. It must be connected to the VPO pinout of USB trans-
ceiver (PDIUSBP11).
VMO
Output
D- signal input for USB transceiver. It must be connected to the VMO pinout of USB trans-
ceiver (PDIUSBP11).
USBOE
Output
Active LOW/Data output enable signal output for USB transceiver. It must be connected to
the OE pin of the USB transceiver (PDIUSBP11).
SUSPEND
Output
It must be connected to the SUSPEND pinout of USB transceiver
EEPCS
Tri-state w/
pull down
Chip select signal output for serial EEPROM. It is also possible to use this pin for a general
purpose output pinout. HIGH-Z is output during RESET period.
EEPCK
Tri-state w/
pull down
Clock signal output for serial EEPROM. It is also possible to use this pin for a general pur-
pose output pinout. HIGH-Z is output during RESET period.
EEPDATA
Input/
Output
Data signal for serial EEPROM. It is also possible to use this pin for a general purpose output
pinout. HIGH-Z is output during RESET period.
ID3 - ID0
Input
ID recognition signal input pinouts for IrDA Control Communication. The least 4 bit data in 00
to FFh can be configured with these four input terminals.
NumLock
Output
Signal output to illuminate NumLock LED.
CapsLock
Output
Signal output to illuminate CapsLock LED.
ScrollLock
output
Signal output to illuminate ScrollLock LED.
Voltage
Output
Signal output to illuminate LED for power supply condition information of
the peripherals.
V
DD
GND
Power supply.
Ground.
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