SCC68681 Просмотр технического описания (PDF) - NXP Semiconductors.
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SCC68681 Datasheet PDF : 29 Pages
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Philips Semiconductors
Dual asynchronous receiver/transmitter (DUART)
Product data
SCC68681
Table 2. Register Bit Formats (Continued)
ACR
IPCR
ISR
IMR
CTUR
BIT 7
BRG SET
SELECT
0 = set 1
1 = set 2
BIT 7
DELTA
IP3
0 = No
1 = Yes
BIT 7
INPUT
PORT
CHANGE
0 = No
1 = Yes
BIT 7
IN. PORT
CHANGE
INT
0 = Off
1 = On
BIT 7
C/T[15]
BIT 6
BIT 5
BIT 4
COUNTER/TIMER
MODE AND SOURCE
See Table 4
BIT 6
DELTA
IP2
0 = No
1 = Yes
BIT 6
DELTA
BREAK B
0 = No
1 = Yes
BIT 6
DELTA
BREAK B
INT
0 = Off
1 = On
BIT 6
C/T[14]
BIT 5
DELTA
IP1
0 = No
1 = Yes
BIT 5
RxRDY/
FFULLB
0 = No
1 = Yes
BIT 5
RxRDY/
FFULLB
INT
0 = Off
1 = On
BIT 5
C/T[13]
BIT 4
DELTA
IP0
0 = No
1 = Yes
BIT 4
TxRDYB
0 = No
1 = Yes
BIT 4
TxRDYB
INT
0 = Off
1 = On
BIT 4
C/T[12]
BIT 3
DELTA
IP3 INT
0 = Off
1 = On
BIT 3
IP3
0 = LOW
1 = HIGH
BIT 3
COUNTER
READY
0 = No
1 = Yes
BIT 3
COUNTER
READY
INT
0 = Off
1 = On
BIT 3
C/T[11]
BIT 2
DELTA
IP2 INT
0 = Off
1 = On
BIT 2
IP2
0 = LOW
1 = HIGH
BIT 2
DELTA
BREAK A
0 = No
1 = Yes
BIT 2
DELTA
BREAK A
INT
0 = Off
1 = On
BIT 2
C/T[10]
BIT 1
DELTA
IP1 INT
0 = Off
1 = On
BIT 1
IP1
0 = LOW
1 = HIGH
BIT 1
RxRDY/
FFULLA
0 = No
1 = Yes
BIT 1
RxRDY/
FFULLA
INT
0 = Off
1 = On
BIT 1
C/T[9]
BIT 0
DELTA
IP0 INT
0 = Off
1 = On
BIT 0
IP0
0 = LOW
1 = HIGH
BIT 0
TxRDYA
0 = No
1 = Yes
BIT 0
TxRDYA
INT
0 = Off
1 = On
BIT 0
C/T[8]
CTLR
BIT 7
C/T[7]
BIT 6
C/T[6]
BIT 5
C/T[5]
BIT 4
C/T[4]
BIT 3
C/T[3]
BIT 2
C/T[2]
BIT 1
C/T[1]
BIT 0
C/T[0]
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
IVR
IVR[7]
IVR[6]
IVR[5]
IVR[4]
IVR[3]
IVR[2]
IVR[1]
IVR[0]
SOPR
ROPR
BIT 7
OP7
0 = no change
1 = set bit
BIT 6
OP6
0 = no change
1 = set bit
BIT 5
OP5
0 = no change
1 = set bit
BIT 4
OP4
0 = no change
1 = set bit
BIT 3
OP3
0 = no change
1 = set bit
BIT 2
OP2
0 = no change
1 = set bit
BIT 1
OP1
0 = no change
1 = set bit
BIT 0
OP0
0 = no change
1 = set bit
BIT 7
OP7
0 = no change
1 = reset bit
BIT 6
OP6
0 = no change
1 = reset bit
BIT 5
OP5
0 = no change
1 = reset bit
BIT 4
OP4
0 = no change
1 = reset bit
BIT 3
OP3
0 = no change
1 = reset bit
BIT 2
OP2
0 = no change
1 = reset bit
BIT 1
OP1
0 = no change
1 = reset bit
BIT 0
OP0
0 = no change
1 = reset bit
2004 Apr 06
10
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