ST92F120V1Q7 STMicroelectronics, ST92F120V1Q7 Datasheet - Page 180
ST92F120V1Q7
Manufacturer Part Number
ST92F120V1Q7
Description
Microcontrollers (MCU) Flash 128K SPI/I2C
Manufacturer
STMicroelectronics
Datasheet
1.ST92F120V9Q7.pdf
(325 pages)
Specifications of ST92F120V1Q7
Data Bus Width
8 bit, 16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
4 KB
Interface Type
I2C, SPI
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
77
Number Of Timers
5
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Package / Case
PQFP-100
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 16 Channel
Lead Free Status / Rohs Status
No
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MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (SCI-M)
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 89. SCI -M Functional Schematic
Note: Some pins may not be available on some devices. Refer to the device Pinout Description.
180/324
9
RXclk
AEN (*)
OCKSB (*)
INPEN (*)
OCKPL (*)
The control signals marked with (*) are active only in synchronous mode (SMEN=1)
TXclk / CLKout
LBEN (*)
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
Sout
Sin
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