參數(shù)資料
型號: ISP1109BS
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Universal Serial Bus transceiver with carkit support
中文描述: LINE TRANSCEIVER, PQCC32
封裝: LEAD FREE, 5 X 5 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT617-1, HVQFN-32
文件頁數(shù): 25/59頁
文件大?。?/td> 295K
代理商: ISP1109BS
9397 750 13355
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
25 of 59
Philips Semiconductors
ISP1109
USB transceiver with carkit support
9.1.3.2
Interrupt Latch register
This register indicates the source that generates an interrupt. For bit allocation, see
Table 31
.
Table 30:
Bit
7
Interrupt Source register (address 08h) bit description
Symbol
Description
DP_INT
Set to logic 1 when the DP voltage is higher than carkit interrupt
threshold V
th(DP)L
(0.4 V to 0.6 V).
0 —
Voltage on DP is below V
th(DP)L
1 —
Voltage on DP is above V
th(DP)L
.
-
reserved
ID_FLOAT
Indicates the status of pin ID:
0 —
ID pin is not floating
1 —
ID pin is floating.
SE1
DP and DM SE1 detected. The period of SE1 needed is controlled by
TMR_SE1 bits.
0 —
SE1 is not detected
1 —
SE1 is detected.
ID_GND
Indicates the status of pin ID:
0 —
ID pin is not grounded
1 —
ID pin is grounded.
DP_HI
DP single-ended receiver output:
0 —
LOW
1 —
HIGH.
SESS_VLD
V
BUS
session valid detector:
0 —
V
BUS
is lower than V
th(svc)
1 —
V
BUS
is higher than V
th(svc)
.
VBUS_DET
V
BUS
HIGH detector:
0 —
V
BUS
is lower than V
th(VBUS_HI)
1 —
V
BUS
is higher than V
th(VBUS_HI)
.
6
5
4
3
2
1
0
Table 31:
Bit
Symbol
Interrupt Latch register (address Set = 0Ah, Clear = 0Bh) bit allocation
7
6
5
DP_INT_
INT
INT
0
0
0
R/S/C
R/S/C
R/S/C
4
3
2
1
0
reserved
ID_FLOAT_
SE1_INT
ID_GND_
INT
0
R/S/C
DP_HI_INT
SESS_VLD
_INT
0
R/S/C
VBUS_
DET_INT
0
R/S/C
Reset
Access
0
0
R/S/C
R/S/C
Table 32:
Bit
7
Interrupt Latch register (address Set = 0Ah, Clear = 0Bh) bit description
Symbol
Description
DP_INT_INT
0 —
No interrupt
1 —
Interrupt on the DP_INT status change.
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