ST92F124R9TB STMicroelectronics, ST92F124R9TB Datasheet - Page 132
![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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ST92F124/F150/F250 - RESET AND CLOCK CONTROL UNIT (RCCU)
Figure 63. Example of Low Power mode programming in WFI using CK_AF external clock
132/429
9
Interrupt
CKAF_SEL ← 0
CSU_CKSEL ← 1
Interrupt Routine
CSU_CKSEL ← 1
PROGRAM FLOW
WFI_CKSEL ← 1
User’s Program
User’s Program
WFI instruction
XTSTOP ← 0
XTSTOP ← 1
LPOWFI ← 1
MX[1:0] ← 00
DX[2:0] ← 000
WFI status
WAIT
Begin
WAIT
WAIT
CK_AF selected and Xtal stopped
Wait for the Xtal
PLL is System Clock source
PLL is system clock source
Low Power Mode enabled
No code is executed until
to 1, and PLL turned ON
an interrupt is requested
Wait for the PLL to lock
Preselect Xtal stopped
Wait for the PLL to lock
Execution of user program
when CK_AF selected
CK_AF clock selected
The System Clock
and the Xtal restarts
resumes at full speed
PLL multiply factor
Interrupt serviced
the System Clock
switches to Xtal
Wait For Interrupt
Divider factor set
while CK_AF is
in WFI state
in WFI state
Reset State
automatically
set to 10
activated
to stabilise
** T
* T
1
2
= Quartz oscillator start-up time
= PLL lock-in time
F
T
Xtal
INTCLK FREQUENCY
T
2
1
**
= 4 MHz
*
20 MHz
2 MHz
20 MHz
2 MHz
F
CK_AF
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