xr16m752im48 Exar Corporation, xr16m752im48 Datasheet - Page 51

• Manufacturer Part Number: xr16m752im48
• Description: Xr68m752 -high Performance Duart With 64-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.2
5.0 ELECTRICAL CHARACTERISTICS ..................................................................................................... 38
TABLE OF CONTENTS .....................................................................................................
A
T
DC E
AC E
P
P
R
YPICAL
BSOLUTE
ACKAGE
ACKAGE
4.5 FIFO CONTROL REGISTER (FCR) - WRITE-ONLY ........................................................................................ 27
4.6 LINE CONTROL REGISTER (LCR) - READ/WRITE ........................................................................................ 29
4.7 MODEM CONTROL REGISTER (MCR) OR GENERAL PURPOSE OUTPUTS CONTROL - READ/WRITE . 30
4.8 LINE STATUS REGISTER (LSR) - READ ONLY.............................................................................................. 32
4.9 MODEM STATUS REGISTER (MSR) - READ ONLY ....................................................................................... 33
4.10 SCRATCH PAD REGISTER (SPR) - READ/WRITE ....................................................................................... 34
4.11 TRANSMISSION CONTROL REGISTER (TCR) - READ/WRITE (REQUIRES EFR BIT-4 = 1) .................... 34
4.12 TRIGGER LEVEL REGISTER (TLR) - READ/WRITE (REQUIRES EFR BIT-4 = 1) ...................................... 34
4.13 BAUD RATE GENERATOR REGISTERS (DLL, DLM AND DLD[3:0]) - READ/WRITE................................ 34
4.14 ENHANCED FEATURE REGISTER (EFR) ..................................................................................................... 35
EVISION
T
T
T
T
T
T
T
T
F
F
F
F
F
F
F
F
F
F
F
F
ABLE
ABLE
ABLE
ABLE
ABLE
ABLE
ABLE
ABLE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
IGURE
LECTRICAL
LECTRICAL
4.4.2 INTERRUPT CLEARING: ............................................................................................................................................. 26
4.14.1 SOFTWARE FLOW CONTROL REGISTERS (XOFF1, XOFF2, XON1, XON2) - READ/WRITE .............................. 37
P
9: I
10: T
11: P
12: R
13: R
14: S
15: S
16: UART RESET CONDITIONS FOR CHANNEL A AND B ............................................................................................ 37
13. C
14. M
16. 16 M
15. 16 M
17. 68 M
18. 68 M
19. R
20. T
21. R
22. R
23. T
24. T
H
D
D
ACKAGE
M
NTERRUPT
IMENSIONS
IMENSIONS
ISTORY
AXIMUM
RANSMIT AND
ARITY SELECTION
EGISTER AT
EGISTER AT
AMPLING
OFTWARE
RANSMIT
RANSMIT
RANSMIT
LOCK
ECEIVE
ECEIVE
ECEIVE
ODEM
C
C
ODE
ODE
ODE
ODE
HARACTERISTICS
HARACTERISTICS
T
T
..................................................................................................................................... 49
I
IMING
NPUT
S
HERMAL
R
R
R
R
(I
(I
(M
(M
R
F
R
R
R
OURCE AND
EADY
EADY
EADY
ATE
NTEL
NTEL
LOW
ATINGS
EADY
EADY
EADY
A
A
(48
(32
OTOROLA
OTOROLA
R
DDRESS
DDRESS
/O
............................................................................................................................................................. 41
S
ECEIVE
) D
) D
UTPUT
& I
& I
& I
C
ELECT
PIN TQFP
PIN
& I
& I
& I
........................................................................................................................................................ 30
ONTROL
ATA
ATA
NTERRUPT
NTERRUPT
NTERRUPT
R
NTERRUPT
NTERRUPT
NTERRUPT
.................................................................................................................... 38
ESISTANCE
) D
) D
QFN - 5
O
O
P
FIFO T
T
B
B
............................................................................................................................................... 35
RIORITY
FFSET
FFSET
IMING
ATA
ATA
US
US
F
............................................................................................................. 38
............................................................................................................. 39
UNCTIONS
W
R
B
B
- 7
EAD
T
T
T
RIGGER
RITE
US
US
0
0
F
T
T
T
IMING
IMING
IMING
X
X
OR
L
IMING
IMING
IMING
7 ............................................................................................................................. 31
6 ............................................................................................................................. 31
X
X
EVEL
R
W
T
T
C
EAD
5
D
IMING
7
RITE
IMING
HANNELS
ATA
[N
[FIFO M
[FIFO M
X
X
L
........................................................................................................................ 35
[N
[FIFO M
[FIFO M
....................................................................................................................... 27
EVEL
ON
T
1
0.9
T
................................................................................................................... 42
IMING
ON
IMING
................................................................................................................. 42
-FIFO M
mm
(M
-FIFO M
S
mm
ODE
ODE
ARGIN OF ERROR
A & B ................................................................................................. 41
ELECTION
.......................................................................................................... 43
) .................................................................................. 47
ODE
ODE
......................................................................................................... 43
) ............................................................................... 48
, DMA D
, DMA E
II
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
ODE
, DMA M
, DMA M
ODE
]
FOR
]
............................................................................................ 28
FOR
NABLED
ISABLED
ODE
ODE
C
C
HANNELS
HANNELS
D
E
]
NABLED
]
ISABLED
: ± 15%).............................................. 38
FOR
FOR
C
A & B ......................................................... 44
C
A & B ....................................................... 44
HANNELS
]
HANNELS
]
FOR
FOR
C
C
HANNELS
HANNELS
A & B......................................... 45
XR16M752/XR68M752
A & B........................................ 45
A & B ............................ 46
A & B ........................... 46
I