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參數(shù)資料
| 型號： | SP5301CY-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 0K |
| 描述： | IC TXRX SERIAL BUS UNIV 14TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | USB 1.1 |
| 電源電壓： | 3.3V，5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 帶卷 (TR) |
7
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP530_00_0870
PINOUT
PIN ASSIGNMENTS
Pin — RERR — Receive Error. This
CMOS level output pin is forced HIGH
when both D+ and D- are HIGH to signal
an error state.
CAUTION: Since RERR is
a CMOS output, care must be taken to
ensure that RERR is
NOT connected to
VCC or GND.
Pin 2 — OE — Output Enable Not.
When asserted LOW, this input pin
enables the driver to transmit data on the
bus. When HIGH, the receiver is active
and the driver outputs are in tri-state.
Pin 3 — RCV — Receive data. This is a
CMOS level output pin from D+ and D-,
typically connected to the inputs of the
USB Serial Interface Engine (SIE).
Pin 4, 5 — VP, VM — Gated version of
D+ and D-. Used to detect single ended
zero (SEO), error conditions, and intercon-
nect speed. These pins have CMOS level
outputs.
VP
VM
RESULT
0
SEO
0
Low Speed
0
Full Speed
Error
Pin 6 — SUSPND — Suspend. This
input pin provides a low power state for
the SP530 while the USB bus is inactive.
While the SUSPND pin is asserted HIGH,
it will drive RCV pin LOW.
Pin 7 — GND — Ground.
Pin 8 — RSEO — Receive Single
Ended Zero. This CMOS level output pin
is forced HIGH when both D+ and D- are
LOW to signal the end of packet (EOP)
in signal transmission.
CAUTION: Since
RSEO is a CMOS output, care must be
taken to ensure that RSEO is
NOT con-
nected to VCC or GND.
Pin 9 — SPEED — Speed. Edge rate
control. This input pin determines edge
rates, where a logic HIGH designates
edge rates for "full speed" and logic LOW
designates edge rates for "low speed."
Pin 0, — D-, D+ — Data-, Data+.
These differential data bus I/O pins con-
form to the Universal Serial Bus standard.
Pin 2, 3 — VPO, VMO — These are
the logic inputs to the differential driver,
typically connected to the outputs of the
serial Interface Engine (SIE).
VPO
VMO RESULT
0
SEO
0
Logic Low
0
Logic High
Undefined
Pin 4 — Vcc — +3.0V to +3.6V power
supply
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