M30245FCGP#U1 Renesas Electronics America, M30245FCGP#U1 Datasheet - Page 143

• Manufacturer Part Number: M30245FCGP#U1
• Description: IC M16C/24 MCU FLSH 128K 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/20r

Specifications of M30245FCGP#U1

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, SSI, UART/USART, USB
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 82
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100LQFP
• Family Name: R8C
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 82
• Interface Type: USB/UART/I2C/SPI
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

M30245 Group
Figure 1.101. Detection timing of a bus collision in UART mode
Rev.2.00
REJ03B0005-0200
TxD, RxD I/O polarity reverse function
This function reverses the TxD pin output and RxD pin input. The level of any data input or output including the start
bit, stop bits and parity bit, is reversed. Set this function to "0", (not to reverse) for normal use.
Bus collision detection function
This function samples the output level of the TxD pin and the input level of the RxD pin at the rising edge of the
transfer clock. If their values are different, then an interrupt request occurs. Figure 1.101 shows an example of
detection timing of a bus collision in UART mode.
interrupt request signal
Bus collision detection
Bus collision detection
Oct 16, 2006
interrupt request bit
Transfer clock
page 141 of 264
RxD
TxD
i
i
"H"
"H"
"H"
"L"
"L"
"L"
"1"
"0"
"1"
"0"
ST
ST
Clock asynchronous serial I/O (UART) mode
SP
SP
ST : Start bit
SP : Stop bit