ST92F124R9TB STMicroelectronics, ST92F124R9TB Datasheet - Page 234
![IC MCU 8BIT 64K MEMORY 64-LQFP](/photos/12/15/121504/stmicroelectronics-64-lqfp_sml.jpg)
ST92F124R9TB
Manufacturer Part Number
ST92F124R9TB
Description
IC MCU 8BIT 64K MEMORY 64-LQFP
Manufacturer
STMicroelectronics
Series
ST9r
Datasheet
1.ST92F150CV1TB.pdf
(429 pages)
Specifications of ST92F124R9TB
Core Processor
ST9
Core Size
8/16-Bit
Speed
24MHz
Connectivity
I²C, SCI, SPI
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
64-LQFP
Processor Series
ST92F12x
Core
ST9
Data Bus Width
8 bit, 16 bit
Data Ram Size
6 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
80
Number Of Timers
16 bit
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST92F150-EPB
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST92F124R9TB
Manufacturer:
STMicroelectronics
Quantity:
10 000
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MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (SCI-M)
MULTIPROTOCOL SERIAL COMMUNICATIONS INTERFACE (Cont’d)
CLOCK CONFIGURATION REGISTER (CCR)
R251 - Read/Write
Reset value: 0000 0000 (00h)
Bit 7 = XTCLK
This bit, together with the OCLK bit, selects the
source for the transmitter clock. The following ta-
ble shows the coding of XTCLK and OCLK.
Bit 6 = OCLK
This bit, together with the XTCLK bit, selects the
source for the transmitter clock. The following ta-
ble shows the coding of XTCLK and OCLK.
Bit 5 = XRX: External Receiver Clock Source.
0: External receiver clock source not used.
1: Select the external receiver clock source.
Note: The external receiver clock frequency must
be 16 times the data rate, or equal to the data rate,
depending on the status of the CD bit.
Bit 4 = XBRG: Baud Rate Generator Clock
Source.
0: Select INTCLK for the baud rate generator.
1: Select the external receiver clock for the baud
Bit 3 = CD: Clock Divisor.
The status of CD will determine the SCI configura-
tion (synchronous/asynchronous).
234/429
9
XTCLK
XTCLK
rate generator.
7
0
0
1
1
OCLK
OCLK
0
1
0
1
XRX
Pin is used as a general I/O
Pin = TXCLK (used as an input)
Pin = CLKOUT (outputs the Baud
Rate Generator clock)
Pin = CLKOUT (outputs the Serial
expansion and synchronous
mode clock)
XBRG CD AEN
Pin Function
LBEN
STPEN
0
0: Select 16X clock mode for both receiver and
1: Select 1X clock mode for both receiver and
Note: In 1X clock mode, the transmitter will trans-
mit data at one data bit per clock period. In 16X
mode each data bit period will be 16 clock periods
long.
Bit 2 = AEN: Auto Echo Enable.
0: No auto echo mode.
1: Put the SCI in auto echo mode.
Note: Auto Echo mode has the following effect:
the SCI transmitter is disconnected from the data-
out pin SOUT, which is driven directly by the re-
ceiver data-in pin, SIN. The receiver remains con-
nected to SIN and is operational, unless loopback
mode is also selected.
Bit 1 = LBEN: Loopback Enable.
0: No loopback mode.
1: Put the SCI in loopback mode.
Note: In this mode, the transmitter output is set to
a high level, the receiver input is disconnected,
and the output of the Transmitter Shift Register is
looped back into the Receiver Shift Register input.
All interrupt sources (transmitter and receiver) are
operational.
Bit 0 = STPEN: Stick Parity Enable.
0: The transmitter and the receiver will follow the
1: The transmitter and the receiver will use the op-
transmitter.
transmitter.
parity of even parity bit EP in the CHCR register.
posite parity type selected by the even parity bit
EP in the CHCR register.
1 (even)
1 (even)
0 (odd)
0 (odd)
EP
SPEN
0
0
1
1
Parity (Transmitter &
Receiver)
Even
Even
Odd
Odd
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