IS82C50A-5 Intersil, IS82C50A-5 Datasheet - Page 6

• Manufacturer Part Number: IS82C50A-5
• Description: IC PERIPH UART/BRG 10MHZ 44-PLCC
• Manufacturer: Intersil

Specifications of IS82C50A-5

• Features: Single Chip UART/BRG
• Number Of Channels: 1, UART
• Protocol: RS232C
• Voltage - Supply: 4.5 V ~ 5.5 V
• With Parallel Port: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• With Cmos: Yes
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Block Diagram
DOSTR
DOSTR
CSOUT
D7 - D0
XTAL1
XTAL2
DISTR
DISTR
DDIS
GND
ADS
CS0
CS1
CS2
+5V
MR
A0
A1
A2
(1 - 8)
(40)
(20)
(28)
(27)
(26)
(12)
(13)
(14)
(25)
(35)
(22)
(21)
(19)
(18)
(23)
(24)
(16)
(17)
DATA BUS
CONTROL
REGISTER
SCRATCH
BUFFER
SUPPLY
SELECT
POWER
LOGIC
&
6
HOLDING REGISTER
INTERRUPT ENABLE
RECEIVER BUFFER
MODEM CONTROL
MODEM STATUS
LINE CONTROL
TRANSMITTER
INTERRUPT IO
LINE STATUS
LATCH (MS)
LATCH (LS)
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
DIVISOR
DIVISOR
82C50A
GENERATOR
BAUD RATE
INTERRUPT
CONTROL
LOGIC
TIMING & CONTROL
RECEIVER TIMING
RECEIVER SHIFT
SHIFT REGISTER
TRANSMITTER
TRANSMITTER
& CONTROL
RECEIVER
CONTROL
MODEM
LOGIC
(10)
(15)
(11)
(32)
(33)
(34)
(31)
(36)
(37)
(38)
(39)
(30)
(9)
SIN
RCLK
BAUDOUT
SOUT
RTS
DTR
OUT1
OUT2
CTS
DSR
DCD
RI
INTRPT
August 24, 2006
FN2958.5