ST10R172LT1 STMicroelectronics, ST10R172LT1 Datasheet - Page 11

• 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

2
ST10R172L architecture combines the advantages of both RISC and CISC processors with
an advanced peripheral subsystem. The following block diagram overviews the different on-
chip components and the internal bus structure.
XTAL2
FUNCTIONAL DESCRIPTION
XTAL1
EA, ALE, RD,
WR/WRL,
READY, NMI,
RSTIN,
RSTOUT
dedicated
OSC
pins
I/O
CLKOUT,
BHE/WRH, RxD0,
TxD0, T2IN, T3IN,
T4IN,
T3OUT,
T6OUT
DPRAM
1KByte
PLL
ASC
Figure 2 Block diagram
CS(4:0)
Port 3
15-bit
Port 6
WDT
HOLD
BREQ
HLDA
T3EUD,
8-bit
CAPIN,
I/O
GPT1/2
I/O
A(23:16),
SSPCLK,
SSPDAT,
SSPCE(1:0)
I
T2EUD,
T4EUD, T5IN,
T6IN, T5EUD,
T6EUD
Interrupt Controller
ST10 CORE
Port 4
Port 5
8-bit
6-bit
ST10R172L - FUNCTIONAL DESCRIPTION
& PEC
XSSP
4-bit
PWM
A(15:0)
2x8-bit
POUT3
Port 1
Port 7
I/O
4-bit
I/O
AD(15:8), AD(7:0)
A(15:8), AD(7:0)
D(15:8), D(7:0)
I/O, D(7:0)
EXIN(3:0)
2x8-bit
Port 0
Port 2
I/O
4-bit
I/O
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