Functional diagram, Max3420e – Rainbow Electronics MAX3420E User Manual
Page 3
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MAX3420E
USB Peripheral Controller
with SPI Interface
_______________________________________________________________________________________
3
Functional Diagram
GPIN3
R
GPIN
1V–3V
VBCOMP
D-
D+
V
CC
GPIN2 GPIN1 GPIN0 GPOUT3
GPOUT2
GPOUT1
GPOUT0
VBUS
COMP
SS
MISO
SCLK
INT
SPI SLAVE
INTERFACE
USB SIE
(SERIAL-INTERFACE ENGINE)
FULL-SPEED
USB
TRANSCEIVER
RESET
LOGIC
1.5k
Ω
INTERNAL
POR
RES
XI
V
L
XO
POWER
DOWN
OSC
AND
PLL 4X
48MHZ
ESD
PROTECTION
ESD
PROTECTION
GPX
VBUS_DET
OPERATE
SOF
BUSACT
MUX
0
1
2
3
MOSI
VBUS_DET
ENDPOINT
BUFFERS
MAX3420E
GND
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