sc26c94 NXP Semiconductors, sc26c94 Datasheet - Page 3
![no-image](/images/manufacturer_photos/0/4/487/nxp_semiconductors_sml.jpg)
sc26c94
Manufacturer Part Number
sc26c94
Description
Quad Universal Asynchronous Receiver/transmitter Quart
Manufacturer
NXP Semiconductors
Datasheet
1.SC26C94.pdf
(33 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
sc26c94A1A
Manufacturer:
VISHAY
Quantity:
60 000
Company:
Part Number:
sc26c94C1A
Manufacturer:
NXPL
Quantity:
5 510
Part Number:
sc26c94C1A
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
sc26c94C1N
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Philips Semiconductors
BLOCK DIAGRAM
1995 May 1
Quad universal asynchronous receiver/transmitter (QUART)
V
V
V
V
V
I/O[3:0]C
I/O[3:0]D
X1/CLK
DACKN
CC
SS1
SS2
SS3
SS4
RESET
IACKN
IRQN
A0–A5
TXDD
RXDC
D0–D7
TXDC
RXDD
WRN
RDN
CEN
X2
4
4
6
8
2
INTERRUPT ARBITRATION
OPERATION CONTROL
INTERRUPT CONTROL
POWER UP-DOWN
DUART CD
R/W CONTROL
GENERATOR
BUS BUFFER
OSCILLATOR
BAUD RATE
DUART AB
REGISTERS
ADDRESS
SAME AS
DECODE
CRYSTAL
GLOBAL
TIMING
LOGIC
LOGIC
IMR
ISR
CONTROL
TIMING
18
INTERNAL DATA
BUS
3
8
DUART AB
FUNCTION SELECT
8 BYTE TRANSMIT
TRANSMIT SHIFT
RECEIVE SHIFT
RECEIVE FIFO
DETECTORS (4)
OUTPUT PORT
CHANGE-OF-
CHANNEL A
CHANNEL B
(AS ABOVE)
SELECTORS
INPUT PORT
REGISTER
REGISTER
COUNTER/
MR 0, 1, 2
8 BYTE
CSR Rx
CSR Tx
LOGIC
CLOCK
STATE
TIMING
TIMER
OPCR
FIFO
CTUR
IPCR
CTLR
ACR
CR
SR
ACR
1:0
4
4
Product specification
SC26C94
1:0
COMMON
DUART
AB
TxDA
RxDA
TxDB
RxDB
I/O[3:0]B
I/O[3:0]A
SD00160