參數(shù)資料
型號: MIC2555-0BML TR
廠商: Micrel Inc
文件頁數(shù): 17/29頁
文件大?。?/td> 0K
描述: IC TXRX UTG USB BUS UNIV 24MLF
標準包裝: 1,000
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 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(shè)備封裝: 24-MLF?(4x4)
包裝: 帶卷 (TR)
其它名稱: MIC2555-0BMLTR
Micrel, Inc.
MIC2555
December 2006
24
M9999-121406
Interrupt Source Register
Interrupt Status
rd - 08h
Indicates the current state of signals that can
generate an interrupt.
vbus_vld
1
rd
bit 0
1 = VBUS > 4.4V
(VBUS valid comparator)
sess_vld
1
rd
bit 1
1 = 0.8V< VBUS< 2.0V.
(Session valid comparator)
se_dp
1
rd
bit 2
1 = D+ pin is HIGH
id_gnd_in
1
rd
bit 3
1 = ID pin grounded
se_dm
1
rd
bit 4
1 = D- pin is HIGH
id_float
1
rd
bit 5
1 = ID pin floating
bdis_acon
(sess_end)
1
rd
bit 6
If: bdis_acon_en = 1
1 = SE0 has been detected, transceiver asserted
dp_pullup after detecting B-device disconnect.
If bdis_acon_en = 0, sess_end_en = 1
1 = VBUS < 0.8V. (Session End comparator output =
TRUE)
cr_int
1
rd
bit 7
1 = car kit interrupt, D+ pin has seen a pulse above
the interrupt level
Interrupt Latch 1
Interrupt Source
set –0Ah
clr – 0Bh
Indicates which sources have interrupted. 1 =
interrupt.
Vbus_vld
1
rd/s/c
bit 0
sess_vld
1
rd/s/c
bit 1
se_dp
1
rd/s/c
bit 2
id_gnd_in
1
rd/s/c
bit 3
se_dm
1
rd/s/c
bit 4
id_float
1
rd/s/c
bit 5
bdis_acon
(sess_end)
1
rd/s/c
bit 6
cr_int
1
rd/s/c
bit 7
Interrupt Mask False
False
Interrupt Mask
set – 0Ch
clr – 0Dh
Enables interrupts on transition from TRUE to FALSE
1
set
=
1,
Interrupt
on
T F.
1
clr = 0, no interrupt.
Vbus_vld
1
rd/s/c
bit 0
sess_vld
1
rd/s/c
bit 1
se_dp
1
rd/s/c
bit 2
id_gnd_in
1
rd/s/c
bit 3
se_dm
1
rd/s/c
bit 4
id_float
1
rd/s/c
bit 5
bdis_acon
(sess_end)
1
rd/s/c
bit 6
cr_int
1
rd/s/c
bit 7
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