SPI/I2C UART with 128-Word FIFOs in WLP MAX3108 55 Maxim Integrated Figure 27. R" />
參數(shù)資料
型號(hào): MAX3108EWA+T
廠商: Maxim Integrated Products
文件頁數(shù): 51/56頁
文件大?。?/td> 0K
描述: IC UART
產(chǎn)品培訓(xùn)模塊: Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: *
SPI/I2C UART with 128-Word FIFOs in WLP
MAX3108
55
Maxim Integrated
Figure 27. RS-485 Half-Duplex Application
Typical Application Circuit
Figure 27 shows the MAX3108 being used in a half-
duplex RS-485 application. The microcontroller, the
RS-485 transceiver, and the MAX3108 are powered by a
single 3.3V supply. SPI is used as the controller’s com-
munication interface. The microcontroller provides an
external clock source to clock the UART.
The MAX14840E receiver is always enabled, so echoing
occurs. Enable auto echo suppression in the MAX3108
by setting the MODE2[7]: EchoSuprs bit high.
Set the MODE1[4]: TranscvCtrl bit high to enable auto
transceiver direction control in order to automatically
control the DE input of the transceiver.
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that
a “+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
MAX14840E
A
B
DI
RO
RE
DE
MAX3108
TX
RX
XOUT
AGND
DGND
V18
VCC
VEXT
VL
IRQ
SPI/I2C
LDOEN
RST
XIN
SPI
3.3V
MICROCONTROLLER
RTS
10k
1F
0.1F
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
25 WLP
W252B2+1
Refer to
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