參數(shù)資料
型號: SC26C92
廠商: NXP Semiconductors N.V.
英文描述: Dual universal asynchronous receiver/transmitter (DUART)(雙通用異步接收器/傳送器)
中文描述: 雙路通用異步接收器/發(fā)送器(杜阿爾特)(雙通用異步接收器/傳送器)
文件頁數(shù): 24/31頁
文件大?。?/td> 203K
代理商: SC26C92
Philips Semiconductors
Product specification
SC26C92
Dual universal asynchronous receiver/transmitter (DUART)
2000 Jan 31
24
NOTES:
1.
2.
INTRN or OP3-OP7 when used as interrupt outputs.
The test for open-drain outputs is intended to guarantee switching of the output transistor. Measurement of this response is referenced from the midpoint of the switching
signal, V
, to a point 0.5V above V
. This point represents noise margin that assures true switching has occurred. Beyond this level, the effects of external circuitry and
test environment are pronounced and can greatly affect the resultant measurement.
V
M
V
OL
+0.5V
V
OL
WRN
INTERRUPT
1
OUTPUT
t
IR
V
M
V
OL
+0.5V
V
OL
RDN
INTERRUPT
1
OUTPUT
t
IR
SD00136
Figure 6. Interrupt Timing
C1 = C2
24pF FOR C
= 20pF
C1 and C2 should be chosen according to the crystal manufacturer’s specification.
C1 and C2 values will include any parasitic capacitance of the wiring and X1 X2 pins.
Gain at 3.6864MHz: 9 to 13 dB
Phase at 3.6864MHz: 272 to 276 degrees.
Package capacitance approximately 4pF.
t
CLK
t
CTC
t
Rx
t
Tx
X1/CLK
CTCLK
RxC
TxC
t
CLK
t
CTC
t
Rx
t
Tx
+5V
470
X1
X2*
CLK
*NOTE: X2 MUST BE LEFT OPEN.
X2
3.6864MHz
X1
C1
C2
SC26C92
NOTE:
RESISTOR REQUIRED
FOR TTL INPUT.
TO UART
CIRCUIT
50k
to
100k
3pF
3pF
2pF
4pF
SD00697
Figure 7. Clock Timing
相關PDF資料
PDF描述
SC28L92 3.3V- 5.0V Dual universal asynchronous receiver/transmitter (DUART)(3.3V- 5.0V雙通用異步接收器/傳送器)
SC3011B-1 600.0 MHz Differential Sine-Wave Clock
SC3015B 550.0 MHz Differential Sine-Wave Clock
SC3017B 400.0 MHz Differential Sine-Wave Clock
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