參數(shù)資料
型號： 33742S
廠商： Motorola, Inc.
元件分類： CAN
英文描述： System Basis Chip (SBC) with Enhanced High-Speed CAN Transceiver
中文描述： 系統(tǒng)基礎(chǔ)芯片的增強(qiáng)型（SBC）的高速CAN收發(fā)器
文件頁數(shù)： 46/52頁
文件大小： 1087K
代理商： 33742S
33742
46
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
PACKAGE AND THERMAL CONSIDERATIONS
The 33742 is a standard surface mount SOIC 28 package. In
order to improve the thermal performances of the SOIC 28
package, eight terminals are internally connected to the lead
frame and are used for heat transfer to the printed circuit board.
APPLICATIONS
Figure 28
shows a typical 33742 application.
Figure 28. 33742 Typical Application Schematic
Programmable
SPI Interface
Dual Voltage Regulator
GND
RXD
TXD
V
SUP
monitor
V
DD
Monitor
HS
Mode Control
Reset
Watchdog
1.0 Mbps CAN
Physical Interface
CS
MISO
SCLK
MOSI
RST
INT
5.0 V/200 mA
V2CTRL
V
DD
L0
HS
CANL
CANH
Oscillator
V2
V2
WDOG
V
SUP
L1
L2
L3
V2
V2
Control
Interrupt
V
PWR
Q1
C3
C4
C2
C1
C6
to L0
R1
C8
to L2
R3
MCU
Safe Circuitry
D1
C5
Rp
Rp
Rd
C7
to L1
R2
C9
to L3
R4
Rd
Internal
Module
Supply
Connector
Clamp(1)
SW4
SW3
SW2
SW1
C10
Legend
D1: Example: 1N4002 type
Q1: MJD32C
R1, R2, R3, R4: 10 k
Rp, Rd: Example: 1.0 k
depending on switch type.
R5: 2.2 k
C1: 10
μ
F
C2: 100 nF
C3: 47
μ
F
C4: 100 nF
C5: 47
μ
F tantalum or 100
μ
F chemical
C6, C7, C8, C9, C10: 100 nF
(1) Clamp circuit to ensure max ratings for HS (HS from
-0.3 V to V
SUP
+0.3) are respected.
R5
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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