Datasheet

64 Maxim Integrated
Quad Serial UART with 128-Word FIFOs
MAX14830
Figure 28. Logic-Level Translation
Figure 29. Interchip Synchronization
2.5V
3.3V1.8V
TX_ DI
RO
DE
V
L
V
A
V
CC
V
DD
V
EXT
RX_
DGNDAGND
IRQ
RST
RTS_
SPI/I
2
C
MICROCONTROLLER
TRANSCEIVER
MAX14830
MAX3078
GPIO
ClkToGPIO
GPIO_
CRYSTAL
OSCILLATOR
XOUT
XIN
CrystalEn
PLLEn
FRACTIONAL
BAUD-RATE
GENERATOR _
DIVIDER PLL
MAX14830
CRYSTAL
OSCILLATOR
XOUT
XIN
FRACTIONAL
BAUD-RATE
GENERATOR _
CrystalEn
PLLEn
DIVIDER PLL
CRYSTAL
OSCILLATOR
XOUT
XIN
CrystalEn
FRACTIONAL
BAUD-RATE
GENERATOR _
PHY8
PHY9
PHY10
PHY11
PHY4
PHY5
PHY6
PHY7
PHY0
PHY1
PHY2
PHY3
DIVIDER
PLLEn
PLL
MAX14830
MAX14830