xr16v598 Exar Corporation, xr16v598 Datasheet - Page 57

• Manufacturer Part Number: xr16v598
• Description: 2.25v To 3.6v High Performance Octal Uart With 16-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.2
GENERAL DESCRIPTION................................................................................................ 1
PIN DESCRIPTIONS ........................................................................................................ 3
1.0 DESCRIPTION ......................................................................................................................................... 7
2.0 FUNCTIONAL DESCRIPTIONS .............................................................................................................. 7
3.0 XR16V598 REGISTERS ....................................................................................................................... 22
A
F
O
EATURES
PPLICATIONS
2.1 DEVICE RESET ................................................................................................................................................... 7
2.2 UART CHANNEL SELECTION ........................................................................................................................... 7
2.3 SIMULTANEOUS WRITE TO ALL CHANNELS ................................................................................................. 7
2.4 INT# OUPUT ........................................................................................................................................................ 8
2.5 CRYSTAL OSCILLATOR .................................................................................................................................... 8
2.6 PROGRAMMABLE BAUD RATE GENERATOR WITH FRACTIONAL DIVISOR ............................................. 9
2.7 TRANSMITTER.................................................................................................................................................. 11
2.8 RECEIVER ......................................................................................................................................................... 12
2.9 THR AND RHR REGISTER LOCATIONS ......................................................................................................... 13
2.10 AUTO RTS/DTR HARDWARE FLOW CONTROL OPERATION.................................................................... 14
2.11 AUTO XON/XOFF (SOFTWARE) FLOW CONTROL...................................................................................... 16
2.12 SPECIAL CHARACTER DETECT.................................................................................................................. 17
2.13 AUTO RS-485 HALF-DUPLEX CONTROL .................................................................................................... 18
2.14 INFRARED MODE ........................................................................................................................................... 19
2.15 SLEEP MODE WITH AUTO WAKE-UP ......................................................................................................... 20
2.16 INTERNAL LOOPBACK.................................................................................................................................. 21
3.1
RDERING INFORMATION
F
F
T
T
T
F
F
T
F
F
F
F
T
F
T
F
F
F
T
T
F
T
IGURE
IGURE
ABLE
ABLE
ABLE
IGURE
IGURE
ABLE
IGURE
IGURE
IGURE
IGURE
ABLE
IGURE
ABLE
IGURE
IGURE
IGURE
ABLE
ABLE
IGURE
ABLE
DEVICE CONFIGURATION REGISTER SET.................................................................................. 23
2.1.1 HARDWARE RESET....................................................................................................................................................... 7
2.1.2 SOFTWARE RESET ....................................................................................................................................................... 7
2.7.1 TRANSMIT HOLDING REGISTER (THR) - WRITE ONLY........................................................................................... 11
2.7.2 TRANSMITTER OPERATION IN NON-FIFO MODE .................................................................................................... 11
2.7.3 TRANSMITTER OPERATION IN FIFO MODE ............................................................................................................. 12
2.8.1 RECEIVE HOLDING REGISTER (RHR) - READ-ONLY .............................................................................................. 12
2.10.1 AUTO CTS/DSR FLOW CONTROL............................................................................................................................ 15
2.13.1 NORMAL MULTIDROP MODE ................................................................................................................................... 18
2.13.2 AUTO ADDRESS DETECTION .................................................................................................................................. 18
3.1.1 THE GLOBAL INTERRUPT SOURCE REGISTERS.................................................................................................... 24
3.1.2 GENERAL PURPOSE 16-BIT TIMER/COUNTER [TIMERMSB, TIMELSB, TIMER, TIMECNTL] (DEFAULT 0XXX-XX-
1: UART C
2: INT# P
3: INT# P
4: T
5: T
6: A
7: XR16V598 R
8: D
9: UART C
1. B
2. P
3. T
4. B
5. T
6. T
7. R
8. R
9. A
10. I
11. I
12. T
13. T
3.1.1.1 INT0 C
3.1.1.2 INT1, INT2
.................................................................................................................................................... 1
YPICAL DATA RATES WITH A
RANSMIT AND
UTO
EVICE
YPICAL OSCILLATOR CONNECTIONS
RANSMITTER
RANSMITTER
LOCK
IN
AUD
UTO
ECEIVER
ECEIVER
NFRARED
NTERNAL
HE
HE
.............................................................................................................................................. 1
O
X
UT OF THE
XR16V598 R
G
IN
IN
R
RTS/DTR
ON
C
D
HANNEL
HANNEL
LOBAL
ATE
ONFIGURATION
O
O
IAGRAM
/X
PERATION FOR
PERATION
O
O
L
OFF
T
G
PERATION IN NON
PERATION IN
EGISTER
OOP
HANNEL
RANSMIT
ENERATOR
R
O
O
I
NTERRUPT
ECEIVE
S
[7:0] I
PERATION IN NON
PERATION IN
(S
.............................................................................................................................. 2
D
............................................................................................................................................................. 1
AND
ELECTION
B
AND
EVICE
OFTWARE
ACK
EGISTERS
F
S
CTS/DSR F
I
NTERRUPT
OR
D
NTERRUPT
INT3 I
ETS
H
................................................................................................................................................. 21
R
2.25V TO 3.6V HIGH PERFORMANCE OCTAL UART WITH 16-BYTE FIFO
ATA
.................................................................................................................................................. 2
............................................................................................................................................... 10
OLDING
FIFO
EGISTERS
T
R
R
RANSMITTER
ECEIVER
............................................................................................................................................ 23
24 MH
) F
EGISTERS
............................................................................................................................................. 7
E
FIFO
NTERRUPT
-FIFO M
........................................................................................................................................ 22
NCODING AND
LOW
TABLE OF CONTENTS
AND
S
R
-FIFO M
I
NDICATOR
LOW
OURCE
Z CRYSTAL OR EXTERNAL CLOCK AT
EGISTER
AND
................................................................................................................................. 8
C
A
............................................................................................................................... 24
................................................................................................................................ 8
, INT0, INT1, INT2
UTO
ONTROL
ODE
C
F
........................................................................................................................... 8
S
ONTROL
LOW
OURCE
E
ODE
RTS F
.................................................................................................................... 13
NCODING AND
L
R
................................................................................................................. 25
OCATIONS
ECEIVE
C
.............................................................................................................. 11
............................................................................................................... 17
ONTROL
LOW
L
O
OCATOR
PERATION
I
D
C
, 16C550
ATA
ONTROL
M
AND
C
ODE
........................................................................................... 25
LEARING
D
........................................................................................ 16
ECODING
INT3 .............................................................................. 25
..................................................................................... 12
M
COMPATIBLE
ODE
............................................................................. 26
16X S
.......................................................................... 19
......................................................................... 13
AMPLING
............................................................... 14
................................................... 10
XR16V598