STLC2415 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STLC2415' PDF : 22 Pages View PDF
STLC2415
7 INTERFACES
7.1 UART Interface
The chip contains two enhanced (128 byte transmit FIFO and 128 byte receive FIFO, sleep mode, 127 Rx
and 128 Tx interrupt tresholds) UARTs, named UART1 and UART2, compatible with the standard M16550
UART.
For UART1, only Rx and Tx signals are available (used for debug purposes).
UART2 features:
– standard HCI UART transport layer:
– all HCI commands as described in the Bluetooth® specification 1.1
– ST specific HCI command (check STLC2415 Software Interface document for more information)
– RXD, TXD, CTS, RTS on permanent external pins
– 128-byte FIFOs, for transmit and for receive
– Default configuration: 57.600 kbps
– Specific HCI command to change to the following baud rates:
Table 10. List of Supported Baud Rates
Baud rate
–
921.6k
460.8 k
230.4 k
153.6 k
115.2 k
76.8 k
57.6 kbps (default)
38.4 k
28.8 k
19.2 k
14.4 k
9600
7200
4800
2400
1800
1200
900
600
300
7.2 Synchronous Serial Interface
The Synchronous Serial Interface (SSI) (or the Synchronous Peripheral Interface (SPI)) is a flexible mod-
ule supporting full-duplex and half-duplex synchronous communications with external devices in Master
and Slave mode. It allows the STLC2415 to communicate with peripheral devices.
The Synchronous Serial Interface is also capable of inter processor communications in a multiple-master
system. This interface is flexible enough to interface directly with numerous standard product peripherals.
This Synchronous Serial Interface peripheral features:
– full duplex, four-wire synchronous transfers.
– Microwire half duplex transfer using 8-bit control message
– programmable clock polarity and phase.
– transmit data pin tri state able when not transmitting
– Master or Slave operation
– Programmable clock bit rate up to XIN/4
– Programmable data frame from 4 bits to 16 bits.
– Independent transmit and receive 16 words FIFO.
– Internal loopback
7.3 I2C Interface
Used to access I2C peripherals.
The interface is a fast master I2C; it has full control of the interface at all times. I2C slave functionality is
not supported.
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