參數(shù)資料
型號(hào)： XR16C864IQ-F
廠(chǎng)商： Exar Corporation
文件頁(yè)數(shù)： 48/51頁(yè)
文件大?。?/td> 0K
描述： IC UART FIFO 128B QUAD 100QFP
標(biāo)準(zhǔn)包裝： 66
特點(diǎn)： *
通道數(shù)： 4，QUART
FIFO's： 128 字節(jié)
規(guī)程： RS232，RS485
電源電壓： 2.97 V ~ 5.5 V
帶自動(dòng)流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動(dòng)位檢測(cè)功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類(lèi)型： 表面貼裝
封裝/外殼： 100-BQFP
供應(yīng)商設(shè)備封裝： 100-QFP（14x20）
包裝： 托盤(pán)
其它名稱(chēng)： 1016-1277
XR16C864
6
2.97V TO 5.5V QUAD UART WITH 128-BYTE FIFO
REV. 2.2.0
CTSA#
CTSB#
CTSC#
CTSD#
8
22
59
73
I
UART channels A-D Clear-to-Send (active low) or general purpose input. It can be used
for auto CTS flow control, see EFR[7], and IER[7]. Also see
Figure 10. These inputs
should be connected to VCC when not used.
DTRA#
DTRB#
DTRC#
DTRD#
9
21
60
72
O
UART channels A-D Data-Terminal-Ready (active low) or general purpose output. If
these outputs are not used, leave them unconnected.
DSRA#
DSRB#
DSRC#
DSRD#
7
23
58
74
I
UART channels A-D Data-Set-Ready (active low) or general purpose input. This input
should be connected to VCC when not used.
CDA#
CDB#
CDC#
CDD#
99
32
49
83
I
UART channels A-D Carrier-Detect (active low) or general purpose input. This input
should be connected to VCC when not used.
RIA#
RIB#
RIC#
RID#
98
33
48
84
I
UART channels A-D Ring-Indicator (active low) or general purpose input. This input
should be connected to VCC when not used.
OP1A#
OP1B#
OP1C#
OP1D#
3
28
53
78
O
General purpose output or RS-485 direction control signal. RS-485 direction control can
be selected via FCTR bit-3. SEE”AUTO RS485 HALF-DUPLEX CONTROL” ON
PAGE 20. If these outputs are unused, leave them unconnected.
OP2A#
OP2B#
OP2C#
OP2D#
2
29
52
79
O
General purpose output. If these outputs are unused, leave them unconnected.
ANCILLARY SIGNALS
XTAL1
40
I
Crystal or external clock input. This input is not 5V tolerant.
XTAL2
41
O
Crystal or buffered clock output.
BCLKA
BCLKB
BCLKC
BCLKD
1
30
51
80
O
Baud Rate Generator Output. The baud rate generator clock output is internally con-
nected to the RCLK input. This pin provides the 16X clock of the selected data rate from
the baud rate generator.
16/68#
36
I
Intel or Motorola Bus Select (input with internal pull-up).
When 16/68# pin is at logic 1, 16 or Intel Mode, the device will operate in the Intel bus
type of interface.
When 16/68# pin is at logic 0, 68 or Motorola mode, the device will operate in the Motor-
ola bus type of interface.
Pin Description
NAME
100-QFP
PIN #
TYPE
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
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