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參數(shù)資料
| 型號： | XR16M752IL-0B-EB |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 34/54頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR 16M752-B 32QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | * |
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XR16M752/XR68M752
4
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
REV. 1.1.1
PIN DESCRIPTIONS
Pin Description
NAME
32-QFN
PIN #
48-TQFP
PIN #
49-STBGA
PIN #
TYPE
DESCRIPTION
DATA BUS INTERFACE
A2
A1
A0
18
19
20
26
27
28
G7
E7
E6
I
Address data lines [2:0]. These 3 address lines select
one of the internal registers in UART channel A/B during
a data bus transaction.
D7
D6
D5
D4
D3
D2
D1
D0
2
1
32
31
30
29
28
27
3
2
1
48
47
46
45
44
C2
C1
B1
B2
A2
B4
B3
A3
I/O
Data bus lines [7:0] (bidirectional).
IOR#
(NC)
14
19
G4
I
When 16/68# pin is HIGH, the Intel bus interface is
selected and this input becomes read strobe (active low).
The falling edge instigates an internal read cycle and
retrieves the data byte from an internal register pointed
by the address lines [A2:A0], puts the data byte on the
data bus to allow the host processor to read it on the ris-
ing edge.
When 16/68# pin is LOW, the Motorola bus interface is
selected and this input is not used.
IOW#
(R/W#)
12
15
F2
I
When 16/68# pin is HIGH, it selects Intel bus interface
and this input becomes write strobe (active low). The fall-
ing edge instigates the internal write cycle and the rising
edge transfers the data byte on the data bus to an inter-
nal register pointed by the address lines.
When 16/68# pin is LOW, the Motorola bus interface is
selected and this input becomes read (HIGH) and write
(LOW) signal.
CSA#
(CS#)
7
10
E2
I
When 16/68# pin is HIGH, this input is chip select A
(active low) to enable channel A in the device.
When 16/68# pin is LOW, this input becomes the chip
select (active low) for the Motorola bus interface.
CSB#
(A3)
8
11
E1
I
When 16/68# pin is HIGH, this input is chip select B
(active low) to enable channel B in the device.
When 16/68# pin is LOW, this input becomes address
line A3 which is used for channel selection in the Motor-
ola bus interface. Input logic 0 selects channel A and
logic 1 selects channel B.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XR16M752IL32 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO |
| XR16M752IL32-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16M752IM-0B-EB | 功能描述:UART 接口集成電路 Supports 16M752 48ld TQFP, PCI Interface RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| XR16M752IM48 | 制造商:EXAR 制造商全稱:EXAR 功能描述:HIGH PERFORMANCE DUART WITH 64-BYTE FIFO |
| XR16M752IM48-F | 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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