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33742 датащи(PDF) 52 Page - Freescale Semiconductor, Inc

номер детали 33742
подробное описание детали  System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver
PDF  65 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

33742 датащи(HTML) 52 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
52
Freescale Semiconductor
33742
TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
SBC POWER SUPPLY
The 33742 is supplied from the battery line. A serial diode is necessary to protect the device against negative transient pulses
and from reverse battery. This is illustrated in Figure 31.
Figure 31. SBC Typical Application Schematic
Programmable
SPI Interface
Dual Voltage Regulator
GND
RXD
TXD
VSUP Monitor
VDD Monitor
HS
Mode Control
Reset
Watchdog
Wake-Up Input
1.0 Mbps CAN
Physical Interface
CS
MISO
SCLK
MOSI
RST
INT
5.0 V/200 mA
V2CTRL
VDD
L0
HS
CANL
CANH
Oscillator
V2
V2
WDOG
VSUP
L1
L2
L3
Control
Interrupt
VPWR
Q1
C3
C4
C2
C1
C6
to L1
R1
C8
to L2
R3
MCU
Safe Circuitry
D1
C5
Rp
Rp
Rd
C7
to L1
R2
C9
to L3
R4
Rd
Internal
Connector
Clamp (1)
SW4
SW3
SW2
SW1
C10
Module
Supply
Legend
D1: Example: 1N4002 type
Q1: MJD32C
R1, R2, R3, R4: 10 k
Ω
Rp, Rd: Example: 1.0 k
Ω depending on switch type.
R5: 2.2 k
Ω
C1: 10
µF
C2: 100 nF
C3: 47
µF
C4: 100 nF
C5: 47
µF tantalum or 100 µF chemical
C6, C7, C8, C9, C10: 100 nF
(1) Clamp circuit to ensure max ratings for HS (HS from
-0.3 V to VSUP + 0.3) are respected.
R5
33742



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