W90N745CD/W90N745CDG
FIFO Number
Modem Function
Accessory Function
I/O Pin
: 16-byte receiving FIFO and 16 byte transmitting FIFO
: N/A
: IrDA SIR (optional)
: TXD2, RXD2.
I/O Pin Share with
: UART1 (Bluetooth function)
•
UART3
It is also merely a general purpose UART. It does not include any accessory function. It
share four I/O pins with AC97/I²S.
Clock Source
UART Type
: 15MHz
: general UART
FIFO Number
Modem Function
Accessory Function
I/O Pin
: 16-byte receiving FIFO and 16 byte transmitting FIFO
: DTR, DSR
: N/A
: TXD3, RXD3, DTR, DSR
I/O Pin Share with
: AC97_DATAO, AC97_DATAI, AC97_SYNC, AC97_BITCLK
Table 6.10.1 W90N745 UART features list
MODEM
CLOCK
SOURCE
BLOCK
NUMBER
UART TYPE
FUNCTION
SIGNALS
IO PINS
TxD0,
DESIGN TARGET
General
UART
15M
N/A
General UART
0
RXD0
TXD1,
RXD1,
CTS1,
RTS1
15M,
43.6M,
60M
30M,
48M, CTS, RTS
High speed
UART
General
Bluetooth
UART/
1
2
3
General
UART
General
SIR
UART/IrDA
15M
15M
N/A
TX2, RX2
TXD3,
RXD3,
DRT3,
DSR3
General
UART
DTR, DSR
General UART
Publication Release Date: September 22, 2006
Revision A2
- 255 -
WINBOND [ WINBOND ]
