參數(shù)資料
型號(hào): SCN2681T
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(yè)數(shù): 4/14頁(yè)
文件大?。?/td> 114K
代理商: SCN2681T
Philips Semiconductors
Product specification
SCN2681T
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
4
BLOCK DIAGRAM
8
D0–D7
RDN
WRN
CEN
A0–A3
RESET
INTRN
X1/CLK
X2
4
BUS BUFFER
OPERATION CONTROL
ADDRESS
DECODE
R/W CONTROL
INTERRUPT CONTROL
IMR
ISR
TIMING
BAUD RATE
GENERATOR
CLOCK
SELECTORS
CTIMER
XTAL OSC
CSRA
CSRB
ACR
CTU
CTLR
CHANNEL A
TRANSMIT
HOLDING REG
SHTRANSMIT
HORECEIVE
SHIRECEIVE
MRA1, 2
CRA
SRA
INPUT PORT
CHANGE OF
DETSTATE
OUTPUT PORT
SFUNCTION
OPCR
TxDA
RxDA
IP0-IP6
OP0-OP7
V
CC
GND
C
T
I
CHANNEL B
(AS ABOVE)
IPCR
ACR
OPR
RxDB
TxDB
8
7
SD00099
Figure 2. Block Diagram
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