SCC68692C1A44,512 NXP Semiconductors, SCC68692C1A44,512 Datasheet - Page 4

• Manufacturer Part Number: SCC68692C1A44,512
• Description: IC UART DUAL 44-PLCC
• Manufacturer: NXP Semiconductors

Specifications of SCC68692C1A44,512

• Features: False-start Bit Detection
• Number Of Channels: 2, DUART
• Fifo's: 3Bit
• Voltage - Supply: 5V
• With Parallel Port: Yes
• With Auto Flow Control: Yes
• With False Start Bit Detection: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-1121-5; 933977630512; SCC68692C1A44

Philips Semiconductors
BLOCK DIAGRAM
2004 Mar 03
Dual asynchronous receiver/transmitter (DUART)
DTACKN
RESETN
X1/CLK
IACKN
INTRN
D0–D7
A1–A4
R/WN
CSN
X2
4
8
OPERATION CONTROL
INTERRUPT CONTROL
R/W CONTROL
BUS BUFFER
GENERATOR
SELECTORS
BAUD RATE
COUNTER/
XTAL OSC
ADDRESS
DECODE
CLOCK
TIMING
TIMER
CTUR
CSRB
CTLR
CSRA
IMR
ACR
ISR
IVR
Figure 2. Block Diagram
4
SHIFT REGISTER
HOLDING REG (3)
SHIFT REGISTER
SELECT LOGIC
DETECTORS (4)
HOLDING REG
OUTPUT PORT
CHANNEL A
CHANNEL B
(AS ABOVE)
INPUT PORT
CHANGE OF
FUNCTION
TRANSMIT
TRANSMIT
RECEIVE
RECEIVE
MRA1, 2
STATE
OPCR
OPR
CRA
SRA
IPCR
ACR
6
8
SCC68692
SD00145
TxDA
RxDA
TxDB
RxDB
IP0-IP5
OP0-OP7
V
GND
Product data
CC