UJA1023T/2R04 NXP Semiconductors, UJA1023T/2R04 Datasheet - Page 33

• Manufacturer Part Number: UJA1023T/2R04
• Manufacturer: NXP Semiconductors

Specifications of UJA1023T/2R04

• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
UJA1023
Product data sheet
7.3.2 INH pin
Table 29.
[1]
[2]
[3]
The inhibit pin INH can be configured in three operation modes: ADC mode, Switch open
mode and External regulator mode (see
INH is in External regulator mode (high-side switch is on).
Operation
Power-on condition
(high-impedance)
High-impedance
Low-side open-state
Low-side close-state
High-side open-state (Cyclic
sense mode: off-state)
High-side close-state (Cyclic
sense mode: on-state)
Push-pull HIGH-state
Push-pull LOW-state
Input with pull-up
Input at threshold V
(typically 3 V)
Input at threshold V
(typically 1.5 V)
Capture edge at falling and
rising edge
Capture edge at falling edge X
Capture edge at rising edge X
X = don’t care.
The R
chosen to provide enough pull-up current for switches; thus no external pull-up resistor is needed. The
R
side driver to drive LEDs.
Refer to
This feature is used for diagnosis purposes to check the presence of a switch with integrated parallel
resistor (a useful resistor value is 3000 Ω ± 1 %).
on(LS)
on
of the low-side driver is much smaller than the R
I/O pin operation
values of the high-side and the low-side switches can be found in
Table 17
All information provided in this document is subject to legal disclaimers.
th1
th2
where threshold TH3 is defined in Cyclic sense mode in case threshold TH2 is selected.
Rev. 5 — 17 August 2010
[1][2]
0
0
0
1
1
High-side
enable
0
1
1
1
X
X
X
Low-side
enable
0
0
1
1
0
0
1
1
0
X
X
X
X
X
Section 7.2.4
on(HS)
PxOut
0
X
0
1
0
1
0
1
X
X
X
X
1
X
of the high-side driver, which enables the low
and
Figure
Section
Input
threshold
0
X
X
X
X
X
X
X
X
0
1
X
X
X
11). After power-on the
[3]
10. The R
UJA1023
© NXP B.V. 2010. All rights reserved.
LIN-I/O slave
X
X
X
X
fall
Edge
capture
none
X
X
X
X
X
X
both
rise
on(HS)
33 of 49
value is