SC26C92C1B,557 NXP Semiconductors, SC26C92C1B,557 Datasheet - Page 14

• Manufacturer Part Number: SC26C92C1B,557
• Description: IC UART DUAL W/FIFO 44PQFP
• Manufacturer: NXP Semiconductors

Specifications of SC26C92C1B,557

• Features: Transceiver
• Number Of Channels: 2, DUART
• Fifo's: 8 Byte
• Voltage - Supply: 5V
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 44-MQFP, 44-PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935248790557; SC26C92C1B; SC26C92C1B

Philips Semiconductors
2000 Jan 31
NOTE: *Add 0.5 to values shown for 0 – 7 if channel is programmed for 5 bits/char.
NOTE: Access to the miscellaneous commands should be separated by 3 X1 clock edges. A disabled transmitter cannot be loaded.
Dual universal asynchronous receiver/transmitter (DUART)
MR2A
MR2B
MR2B
CSRA
CSRA
CSRB
0x00
0 01
0x01
CRA
CRA
CRB
CRB
0x01
BIT 7
BIT 7
BIT 7
CHANNEL MODE
00 = Normal
01 = Auto-Echo
10 = Local loop
11 = Remote loop
MISCELLANEOUS COMMANDS*
RECEIVER CLOCK SELECT
BIT 6
BIT 6
See Text
BIT 6
See Text
BIT 5
Tx CONTROLS
BIT 5
0 = No
1 = Yes
BIT 5
RTS
BIT 4
BIT 4
14
ENABLE Tx
0 = No
1 = Yes
BIT 4
DISABLE Tx
CTS
0 = No
1 = Yes
BIT 3
BIT 3
0 = 0.563
1 = 0.625
2 = 0.688
3 = 0.750
BIT 3
ENABLE Tx
TRANSMITTER CLOCK SELECT
0 = No
1 = Yes
BIT 2
BIT 2
4 = 0.813
5 = 0.875
6 = 0.938
7 = 1.000
BIT 2
STOP BIT LENGTH*
See Text
DISABLE Rx
0 = No
1 = Yes
BIT 1
BIT 1
8 = 1.563
9 = 1.625
A = 1.688
B = 1.750
BIT 1
Product specification
SC26C92
ENABLE Rx
BIT 0
C = 1.813
D = 1.875
E = 1.938
F = 2.000
0 = No
1 = Yes
BIT 0
BIT 0