ST10R172LT1 STMicroelectronics, ST10R172LT1 Datasheet - Page 42

• Manufacturer Part Number: ST10R172LT1
• Description: MCU 16BIT ROMLESS LV 100TQFP
• Manufacturer: STMicroelectronics
• Series: ST10r

Specifications of ST10R172LT1

• Core Processor: ST10
• Core Size: 16-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, SSP, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 77
• Program Memory Type: ROMless
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-TQFP, 100-VQFP
• Controller Family/series: ST10
• No. Of I/o's: 77
• Ram Memory Size: 1KB
• Cpu Speed: 50MHz
• No. Of Timers: 5
• Embedded Interface Type: SPI, USART
• No. Of Pwm Channels: 1
• Rohs Compliant: Yes
• Processor Series: ST10R1x
• Core: ST10
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: SSP, USART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 77
• Number Of Timers: 5
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: In Transition

ST10R172L - ELECTRICAL CHARACTERISTICS
15.3.2 Memory Cycle Variables
The timing tables below use three variables derived from the BUSCONx registers and
represent programmed memory cycle characteristics. Table 13 describes how these variables
are computed.
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1
Description
ALE Extension
Memory Cycle Time Waitstates
Memory Tristate Time
Table 13 Memory cycle variables
Symbol
t
t
t
A
C
F
Values
TCL * <ALECTL>
2TCL * (15 - <MCTC>)
2TCL * (1 - <MTTC>)