ST72F621L4M1 STMicroelectronics, ST72F621L4M1 Datasheet - Page 72

• Manufacturer Part Number: ST72F621L4M1
• Description: IC MCU 8BIT LS 16K 34-SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F621L4M1

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 34-SOIC (7.5mm Width)
• Processor Series: ST72F6x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI, USB
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit
• For Use With: 497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: In Transition
• Other names: 497-2112-5

ST7262xxx
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 48. SCI Baud Rate and Extended Prescaler Block Diagram
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f
CPU
/16
/PR
EXTENDED TRANSMITTER PRESCALER REGISTER
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER RECEIVER RATE CONTROL
SCP1
CONVENTIONAL BAUD RATE GENERATOR
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
TRANSMITTER RATE
EXTENDED PRESCALER
CONTROL
RECEIVER RATE
Doc ID 6996 Rev 5
CONTROL
SCIBRR
SCIERPR
SCIETPR
RECEIVER
TRANSMITTER
CLOCK
CLOCK