st16c554 Exar Corporation, st16c554 Datasheet - Page 39

• Manufacturer Part Number: st16c554
• Description: Quad Uart With 16-byte Fifos
• Manufacturer: Exar Corporation

REV. 4.0.1
ABSOLUTE MAXIMUM RATINGS ................................................................................. 26
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%) 26
ELECTRICAL CHARACTERISTICS............................................................................... 26
TABLE OF CONTENTS .....................................................................................................
DC E
AC E
TA = 0
APPLICABLE
P
R
ACKAGE
4.10 SCRATCH PAD REGISTER (SPR) - READ/WRITE ....................................................................................... 24
4.11 BAUD RATE GENERATOR REGISTERS (DLL AND DLM) - READ/WRITE................................................. 24
EVISION
T
F
F
F
F
F
F
F
F
F
F
F
F
ABLE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
LECTRICAL
LECTRICAL
O TO
13: UART RESET CONDITIONS FOR CHANNELS A-D ................................................................................................. 25
11. C
12. M
13. 16 M
14. 16 M
15. 68 M
17. R
16. 68 M
18. T
19. R
20. R
21. T
22. T
H
D
+70
IMENSIONS
ISTORY
................................................................................................................................................ 27
RANSMIT
RANSMIT
RANSMIT
LOCK
ECEIVE
ECEIVE
ECEIVE
ODEM
O
C
C
C (-40
ODE
ODE
ODE
ODE
HARACTERISTICS
HARACTERISTICS
T
..................................................................................................................................... 37
I
IMING
NPUT
R
R
R
(I
(I
(M
(M
R
R
R
EADY
EADY
EADY
NTEL
NTEL
................................................................................................................................ 35
EADY
EADY
EADY
OTOROLA
OTOROLA
O TO
/O
............................................................................................................................................................. 28
) D
) D
UTPUT
& I
& I
& I
& I
& I
& I
ATA
ATA
+85
NTERRUPT
NTERRUPT
NTERRUPT
NTERRUPT
NTERRUPT
NTERRUPT
) D
) D
T
B
B
O
IMING
ATA
ATA
US
US
C
............................................................................................................. 26
............................................................................................................. 27
R
W
FOR
B
B
EAD
T
T
T
RITE
US
US
F
T
T
T
IMING
IMING
IMING
OR
IMING
IMING
IMING
R
W
I
T
NDUSTRIAL
T
C
EAD
IMING FOR
RITE
IMING FOR
HANNELS
[N
[FIFO M
[FIFO M
[N
[FIFO M
[FIFO M
ON
T
T
IMING FOR
ON
IMING FOR
-FIFO M
-FIFO M
ODE
ODE
C
A-D .................................................................................................... 29
C
ODE
ODE
HANNELS
G
HANNELS
, DMA D
, DMA E
II
RADE
ODE
, DMA M
, DMA M
C
ODE
C
HANNELS
HANNELS
2.97V TO 5.5V QUAD UART WITH 16-BYTE FIFO
]
FOR
]
A-D ................................................................................... 29
FOR
P
A-D .................................................................................. 30
NABLED
ISABLED
ACKAGE
ODE
ODE
C
C
HANNELS
A-D........................................................................... 30
A-D ......................................................................... 31
HANNELS
D
E
]
NABLED
]
ISABLED
FOR
FOR
), V
C
A-D ............................................................ 31
C
A-D .......................................................... 32
HANNELS
CC IS
]
HANNELS
]
FOR
FOR
C
C
2.97
HANNELS
HANNELS
A-D............................................ 33
A-D........................................... 32
TO
5.5V, 70
A-D ............................... 34
A-D .............................. 33
ST16C554/554D
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