參數(shù)資料
型號： MCS7840
廠商： Electronic Theatre Controls, Inc.
英文描述： USB-2.0 to Four Serial Ports
中文描述： 的USB 2.0 4個(gè)串行端口
文件頁數(shù)： 5/41頁
文件大?。?/td> 447K
代理商： MCS7840
MCS7840
USB-2.0 to Four Serial Ports
Rev.
1.2
Page 5
Pin
Name
Type
Functional Description
23
RTS_1_N
Output
Serial Port 1 Request To Send (in serial protocol),
active low.
24
RXD_1
Input
Serial Port 1 Serial Receive Data in from transceiver,
or IrDA data in from IrDA detector.
25
26
27
28
RI_1_N
Vcc
K
GND
K
Vcc
3IO
Input
Power
Power
Power
Serial Port 1 Ring Indicator, active low.
Power Pin (1.8V)
Core Ground
Power Pin (D3V3)
Serial Port 1 Data Set Ready (in serial protocol), active
low
29
DSR_1_N
Input
30
DCD_1_N
Input
Serial Port 1 Data Carrier Detect (in serial protocol),
active low
31
CTS_1_N
Input
Serial Port 1 Clear To Send (in serial protocol), active
low
32
SHTD_1_N
Output
Shut Down External Serial Transceiver during normal
operation, active low by default, can be con
fi
gured
active high by using DCR setting.
33
34
35
36
37
38
39
REG06_VCC33
Vcc
5A
GND
5A
REG02_V18
Vcc
18A_PLL
GND
18A_PLL
Vcc
K
VCC3IO
Power
Power
Power
Power
Power
Power
Power
Power Pin (3.3V OUTPUT)
Power Pin (5V INPUT)
Ground Pin for 5V Input
Power Pin (1.8V OUTPUT)
PLL Power (1.8V)
PLL Ground
Power Pin (1.8V)
40
Power
Power pin D3V3.
41
GPIO
I/O
GPIO_MODE - Bidirectional GPIO bit. The direction
(Input or Output) is controlled by the DCR for Serial
Port #1.
42
RESET
I
Power-On Reset signal (active high).
43
44
EE_SCL
EE_SDA
I/O
I/O
2-Wire EEPROM Clock. Default = High (1)
2-Wire EEPROM Data in/out. Default = High (1)
45
TXD_2
Output
Serial Port 2 Transmit Data out to transceiver, or IrDA
data out to IR LED
46
DTR_2_N
Output
Serial Port 2 Data Terminal Ready (in serial protocol),
active low.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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