參數(shù)資料
型號: MCP2140
廠商: Microchip Technology Inc.
英文描述: IrDA Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate(固定波特率,低成本,IrDA標(biāo)準(zhǔn)協(xié)議編譯碼器)
中文描述: 標(biāo)準(zhǔn)的IrDA協(xié)議??刂破鳎潭ㄍㄐ潘俾?600波特(固定波特率,低成本,紅外標(biāo)準(zhǔn)協(xié)議編譯碼器)
文件頁數(shù): 36/58頁
文件大?。?/td> 1001K
代理商: MCP2140
MCP2140
DS21790A-page 36
Preliminary
2003 Microchip Technology Inc.
FIGURE 4-9:
RXPD/RXPDREF WAVEFORMS
TABLE 4-9:
RXPD/RXPDREF REQUIREMENTS
AC Specifications
Electrical Characteristics:
Standard Operating Conditions (unless otherwise specified):
Operating Temperature: -40
°
C
T
A
+85
°
C (industrial)
Operating Voltage V
DD
range is described in
Section 4.1
Param.
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
IR110A T
RXPDBIT
Receive Baud Rate
IR131A T
RXPD
PW RXPD pulse width
IR132
T
RXPD
P RXPD/RXPDREF bit period
(1)
IRD060 V
RXPD
D
Quiescent Delta Voltage
between RXPD and
RXPDREF
IRD061
V
RXPD
E IR Pulse Detect Delta Voltage
(RXPD to RXPDREF)
IR133
T
RESP
Response Time
(2)
* These parameters characterized but not tested.
768
0.01
20
16
768
1.5
T
OSC
μs
T
BITCLK
mV
BAUD = 9600
30
mV
RXPD signal must cross
RXPDREF signal level
400
*
ns
Note 1:
T
BITCLK
= T
RXBIT
/16.
2:
Response time measured with RXPDREF at (V
DD
- 1.5V)/2, while RXPD transitions from V
SS
to V
DD
.
BITCLK
RXPD
0
1
0
0
0
1
IR131A
IR110A
IR131B
IR131B
IR131B
IR131B
IR131B
IR131B
Start Bit
Data bit 7
Data bit 6
Data bit 5
Data bit ...
Start Bit
Data bit 7
Data bit 6
Data bit 5
Data bit ...
RXPDREF
RXPD
RXPDREF
IRD160
IRD161
RXPD
RXPDREF
IRD160
IRD161
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