isp1109 NXP Semiconductors, isp1109 Datasheet - Page 24

• Manufacturer Part Number: isp1109
• Description: Universal Serial Bus Transceiver With Carkit Support
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 29:
9397 750 13355
Product data sheet
Bit
Symbol
Reset
Access
Interrupt Source register (address 08h) bit allocation
9.1.3.1 Interrupt Source register
9.1.3 Interrupt registers
DP_INT
R
7
0
Table 28:
Table 29
signals that can generate an interrupt.
Bit
7
6
5
4
3
2
1
0
reserved
R
6
0
shows the bit allocation of this register that indicates the current state of the
Symbol
VBUS_CHRG
VBUS_DISCHRG Discharge V
reserved
ID_PULLDN
DM_PULLDOWN
DP_PULLDOWN
DP_WKPU_EN
DP_PULLUP
Resistor Control register (address Set = 06h, Clear = 07h) bit description
ID_FLOAT
R
5
0
Rev. 01 — 14 July 2005
Description
Charge V
connected to REG3V3.
0 — Disconnect the resistor
1 — Connect the resistor.
0 — Disconnect the resistor
1 — Connect the resistor.
reserved; cleared (set to 0)
Connect pin ID to ground. See
0 — Disconnected
1 — Connected.
Connect the DM pull-down resistor (R
0 — DM pull-down resistor is disconnected
1 — DM pull-down resistor is connected.
Connect the DP pull-down resistor (R
0 — DP pull-down resistor is disconnected
1 — DP pull-down resistor is connected.
Connect the DP weak pull-up resistor (R
0 — DP weak pull-up resistor is disconnected
1 — DP weak pull-up resistor is connected.
Connect the DP pull-up resistor (R
be connected to the DP line only when V
0 — DP pull-up resistor is disconnected
1 — DP pull-up resistor is connected, if V
SE1
R
4
0
BUS
BUS
through a pull-up resistor (R
ID_GND
through a pull-down resistor (R
R
3
0
USB transceiver with carkit support
DP_HI
Table
R
2
0
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
UP(DP)
6.
DN(DP)
DN(DM)
weakUP(DP)
). The pull-up resistor will
BUS
SESS_VLD
BUS
UP(VBUS)
).
).
> V
> V
R
1
0
DN(VBUS)
ISP1109
th(svc)
th(svc)
) that is
).
.
.
).
VBUS_
DET
R
0
0
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