SC28L92A1B,529 NXP Semiconductors, SC28L92A1B,529 Datasheet - Page 4
SC28L92A1B,529
Manufacturer Part Number
SC28L92A1B,529
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SC28L92A1B529.pdf
(73 pages)
Specifications of SC28L92A1B,529
Transmit Fifo
16Byte
Receive Fifo
16Byte
Transmitter And Receiver Fifo Counter
No
Operating Supply Voltage (typ)
3.3/5V
Mounting
Surface Mount
Pin Count
44
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Number Of Channels
2
Lead Free Status / RoHS Status
Supplier Unconfirmed
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4. Block diagram
SC28L92_7
Product data sheet
Fig 1. Block diagram (80xxx mode)
The data pins TxD and RxD are considered idle at the logic 1 (HIGH) level when inactive, or active when at the logic 0
(LOW) level. Comments about these levels when RS232 is referenced often refer to Mark and Space levels. Mark usually
means inactive and Space means active. The voltage levels represented by the terms Mark and Space are often reversed
from those above: Mark is low voltage, and Space is high voltage.
to V
open or connect
CC
for 80xxx
D0 to D7
A0 to A3
X1/CLK
RESET
INTRN
WRN
RDN
CEN
I/M
X2
8
4
SC28L92 (80xxx mode)
R/W CONTROL
BUS BUFFER
GENERATOR
OSCILLATOR
SELECTORS
OPERATION
INTERRUPT
BAUD RATE
COUNTER/
CONTROL
ADDRESS
CONTROL
DECODE
TIMING
CLOCK
TIMER
CSRA
CSRB
XTAL
ACR
CTU
IMR
CTL
ISR
GP
Rev. 07 — 19 December 2007
3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter
SHIFT REGISTER
SHIFT REGISTER
TRANSMIT FIFO
DETECTORS (4)
SELECT LOGIC
OUTPUT PORT
RECEIVE FIFO
CHANGE-OF-
MRA0, 1, 2, 3
INPUT PORT
WATCHDOG
CHANNEL A
CHANNEL B
(AS ABOVE)
TRANSMIT
FUNCTION
RECEIVE
16-BYTE
16-BYTE
TIMER
STATE
OPCR
IPCR
OPR
CRA
SRA
ACR
002aad459
7
8
TxDA
RxDA
TxDB
RxDB
IP0 to IP6
OP0 to OP7
SC28L92
© NXP B.V. 2007. All rights reserved.
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