scc68681 NXP Semiconductors, scc68681 Datasheet - Page 10

• Manufacturer Part Number: scc68681
• Description: Dual Asynchronous Receiver/transmitter
• Manufacturer: NXP Semiconductors

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