ft8u232am Future Technology Devices International Ltd., ft8u232am Datasheet - Page 5

• Manufacturer Part Number: ft8u232am
• Description: U-uart - Usb Ultrabaud Data Transfer Ic With Rs232 / Rs422 And Cpu I/f Options
• Manufacturer: Future Technology Devices International Ltd.

Table 1 - FT8U232AM - PINOUT DESCRIPTION
Pin #
3,13,26
9.17
Future Technology Devices Intl.
27
28
31
32
25
24
23
22
21
20
19
18
16
15
14
12
11
10
30
29
7
8
6
4
1
2
5
Signal
PWRCTL
EEDATA
3V3OUT
RESET#
RXLED#
TXLED#
SLEEP#
USBDM
USBDP
XTOUT
RCCLK
TXDEN
USBEN
AGND
AVCC
EECS
DSR#
DCD#
EESK
TEST
RTS#
CTS#
DTR#
XTIN
GND
TXD
RXD
VCC
RI#
Type
PWR
PWR
PWR
PWR
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
O.C.
O.C.
I/O
I/O
I/O
I/O
I/O
I/O
IN
IN
IN
IN
IN
IN
IN
IN
IN
Description
USB Data Signal Plus – Requires 1.5k pull-up to 3V3OUT
USB Data Signal Minus
3.3 volt Output from integrated regulator
Input to 6MHz Crystal Oscillator Cell
Output from 6MHz Crystal Oscillator Cell
RC timer – used to guarantee clock stability on exiting sleep mode
Resets entire device using external RC network
Optional EEPROM – Chip Select
Optional EEPROM – Clock
Optional EEPROM – Data I/O
Puts device in i.c. test mode – must be tied to GND
UART – Transmit Data Output
UART – Receive Data Input
UART – Request To Send Control Output
UART – Clear To Send Control Input
UART – Data Terminal Ready Control Output
UART – Data Set Ready Control Input
UART – Data Carrier Detect Control Input
UART – Ring Indicator Control Input
UART – Enable Transmit Data for RS485
USB Enabled – High after device is configured via USB
Bus Powered – Tie Low / Self Powered – Tie High
LED Drive - Pulses Low when Transmitting Data via USB
LED Drive - Pulses Low when Receiving Data via USB
Goes Low during USB Suspend Mode
Device - +4.4 volt to +5.25 volt Power Supply Pins
Device – Ground Supply Pins
Device - Analog Power Supply for the internal x8 clock multiplier
Device - Analog Ground Supply for the internal x8 clock multiplier
FT8U232AM Preliminary Information Rev 0.8 – Subject to Change