FT230X USB TO BASIC UART IC
Document No.: FT_000566 Clearance No.: FTDI# 260
Version 1.2
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FT230X Block Diagram
VCC
1V8 Internal
Core Supply
3.3 Volt LDO
Regulator
1.8 Volt LDO
Regulator
48MHz
FIFO RX Buffer
(512 bytes)
Baud Rate
Generator
3V3OUT
USBDP
USBDM
USB
Transceiver
with
Integrated
1.5k pullups
and battery
charge
detection
TXD
RXD
RTS#
CTS#
UART Controller
with
Programmable
Signal Inversion
CBUS0
CBUS1
CBUS2
CBUS3
Serial Interface
Engine
(SIE)
USB
Protocol Engine
UART FIFO
Controller
Internal MTP
Memory
USB DPLL
FIFO TX Buffer
(512 bytes)
3V3OUT
Internal
12MHz
Oscillator
RESET#
X4 Clock
Multiplier
48MHz
To USB Transceiver Cell
Reset
Generator
GND
Figure 2.1 FT230X Block Diagram
For a description of each function please refer to Section 4.
Copyright © 2013 Future Technology Devices International Limited
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