FT234XD-T FTDI, FT234XD-T Datasheet - Page 4

• Manufacturer Part Number: FT234XD-T
• Description: USB Interface IC USB to Basic Serial UART IC
• Manufacturer: FTDI

Specifications of FT234XD-T

• Rohs: yes
• Product: USB 2.0
• Interface Type: UART, USB
• Operating Supply Voltage: 3.3 V to 5.25 V
• Operating Supply Current: 8 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-12
• Minimum Operating Temperature: - 40 C

2
Figure 2.1 FT234XD Block Diagram
For a description of each function please refer to Section 4.
FT234XD Block Diagram
3V3OUT
USBDM
USBDP
GND
VCC
3.3 Volt LDO
1.5k pullups
Regulator
Transceiver
and battery
USB DPLL
Integrated
Oscillator
detection
Internal
charge
12MHz
USB
with
Copyright © 2013 Future Technology Devices International Limited
1.8 Volt LDO
Regulator
X4 Clock
Multiplier
Serial Interface
Engine
(SIE)
1V8 Internal
Core Supply
48MHz
FIFO RX Buffer
Protocol Engine
FIFO TX Buffer
Internal MTP
(512 bytes)
(512 bytes)
Memory
USB
Document No.: FT_000753 Clearance No.: FTDI#324
FT234XD USB TO BASIC UART IC
To USB Transceiver Cell
UART FIFO
Controller
RESET#
48MHz
UART Controller
Signal Inversion
Programmable
Generator
Baud Rate
Generator
Reset
with
3V3OUT
Version 1.1
CTS#
TXD
RXD
RTS#
CBUS0
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