參數資料
型號: MIC2555-1BML TR
廠商: Micrel Inc
文件頁數: 15/29頁
文件大小: 0K
描述: IC TXRX UTG USB BUS UNIV 24MLF
標準包裝: 1,000
類型: 收發(fā)器
驅動器/接收器數: 1/0
規(guī)程: USB 2.0
電源電壓: 3 V ~ 4.5 V
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤,24-MLF?
供應商設備封裝: 24-MLF?(4x4)
包裝: 帶卷 (TR)
其它名稱: MIC2555-1BMLTR
Micrel, Inc.
MIC2555
December 2006
22
M9999-121406
Device ID Registers
MSB
->
Higher
byte
of
two
byte
word
LSB -> Lower byte of two byte word
vendor_id
16
rd
00h
USB-IF Vendor ID number. Address 00h contains
lower byte of Vendor ID. Address 01h contains upper
byte of Vendor ID.
product_id
16
rd
02h
A number unique to each manufacturer, for each
device type produced. The manufacturer assigns this
number. Address 02h contains lower byte. Address
03h contains upper byte.
Control Register 1
Set & Clear
set – 04h
clr – 05h
1
set
=
1
clr = 0
speed
1
rd/s/c
bit 0
0
=
USB
Low
Speed
mode
1 = USB Full Speed mode
suspend
1
rd/s/c
bit 1
0
=
Full
power
mode
1 = Low power mode
dat_se0
1
rd/s/c
bit 2
0
=
VP-VM
USB
mode
1 = DAT-SE0 USB mode
test bit
1
rd/s/c
bit 3
Not used
bdis_acon_en
1
rd/s/c
bit 4
0 = No action.
1 = Attaches pull-up resistor to D+ after detecting
SE0 condition and sets interrupt flag.
oe_int_en
1
rd/s/c
bit 5
0 = OE_INT/ is an input.
1 = OE_INT/ becomes an output and is asserted
LOW when interrupt occurs, if suspend = 1. If
suspend = 0, pin remains an input.
uart_en
1
rd/s/c
bit 6
0 = USB mode
1 = UART mode
uart_io
1
rd/s/c
bit 7
0 = GPIO pins operate as standard GPIO.
1 = GPIO_0 = 2
nd UART RX
GPIO_1 = 2
nd UART TX
GPIO_2 = standard GPIO
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