ST92F150-EVAL STMicroelectronics, ST92F150-EVAL Datasheet - Page 213

• Manufacturer Part Number: ST92F150-EVAL
• Description: BOARD EVALUATION FOR ST9 SERIES
• Manufacturer: STMicroelectronics

Specifications of ST92F150-EVAL

• Processor To Be Evaluated: ST90158 and ST92F1x Daughter Board
• Interface Type: I2C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2905

MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (Cont’d)
10.5.3 Functional Description
The SCI-M has four operating modes:
– Asynchronous mode
– Asynchronous mode with synchronous clock
– Serial expansion mode
– Synchronous mode
Figure 107. SCI -M Functional Schematic
Note: Some pins may not be available on some devices. Refer to the device Pinout Description.
RXclk
AEN (*)
OCKSB (*)
INPEN (*)
OCKPL (*)
The control signals marked with (*) are active only in synchronous mode (SMEN=1)
TXclk / CLKout
LBEN (*)
MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (SCI-M)
XTCLK
OCLK
Baud rate
generator
OCLK
XRX
INTCLK
XBRG
Divider by 16
Divider by 16
DCDEN (*)
Polarity
DCD
Asynchronous mode, Asynchronous mode with
synchronous clock and Serial expansion mode
output data with the same serial frame format. The
differences lie in the data sampling clock rates
(1X, 16X) and in the protocol used.
Polarity
RTS
CD
1
0
1
0
CD
AEN (*)
RTSEN (*)
RX buffer
RX shift
register
register
Enveloper
TX buffer
TX shift
register
register
LBEN
INPL (*)
OUTPL (*)
OUTSB (*)
VR02054
AEN
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Sout
Sin
9