參數(shù)資料
型號: SCC2681T
廠商: NXP Semiconductors N.V.
英文描述: Dual asynchronous receiver/transmitter (DUART)
中文描述: 雙異步接收器/發(fā)送器(杜阿爾特)
文件頁數(shù): 10/15頁
文件大?。?/td> 108K
代理商: SCC2681T
Philips Semiconductors
Product data
SCC2681T
Dual asynchronous receiver/transmitter (DUART)
2004 Apr 06
10
RDN
IP0–IP6
WRN
OP0–OP7
t
PS
t
PH
OLD DATA
NEW DATA
(a) INPUT PINS
t
PD
(b) OUTPUT PINS
SD00101
Figure 5. Port Timing
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
SD00102
Figure 6. Interrupt Timing
相關PDF資料
PDF描述
SCC2691 Universal asynchronous receiver/transmitter (DUART)(通用異步接收器/傳送器)
SCC2692 Dual universal asynchronous receiver/transmitter (DUART)(雙通用異步接收器/傳送器)
SCC2698A Enhanced Octal Universal Asynchronous Receiver/Transmitter (Octal UART)(增強型八路通用異步接收器/傳送器)
SCC2698B Enhanced octal universal asynchronous receiver/transmitter (Octal UART)(增強型八通用異步接收器/傳送器)
SCC68070 16/32-bit microprocessor
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