M306N4FGTFP Renesas Electronics America, M306N4FGTFP Datasheet - Page 190

• Manufacturer Part Number: M306N4FGTFP
• Description: IC M16C MCU FLASH 100QFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/6Nr

Specifications of M306N4FGTFP

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 26x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

M16C/6N Group (M16C/6N4)
Rev.2.40
REJ09B0009-0240
Figure 15.22 CTS/RTS Separate Function
15.1.2.6 CTS/RTS Function
15.1.2.7 CTS/RTS Separate Function (UART0)
When the CTS function is used transmit operation start when “L” is applied to the CTSi/RTSi (i = 0 to 2)
pin. Transmit operation begins when the CTSi/RTSi pin is held “L”. If the “L” signal is switched to “H”
during a transmit operation, the operation stops before the next data.
When the RTS function is used, the CTSi/RTSi pin outputs on “L” signal when the MCU is ready to
receive. The output level becomes “H” on the first falling edge of the CLKi pin.
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This function separates CTS0/RTS0, outputs RTS0 from the P6_0 pin, and accepts as input the CTS0
from the P6_4 pin. To use this function, set the register bits as shown below.
• CRD bit in U0C0 register = 0 (CTS/RTS of UART0 enabled)
• CRS bit in U0C0 register = 1 (output RTS of UART0)
• CRD bit in U1C0 register = 0 (CTS/RTS of UART1 enabled)
• CRS bit in U1C0 register = 0 (input CTS of UART1)
• RCSP bit in UCON register = 1 (input CTS0 from the P6_4 pin)
• CLKMD1 bit in UCON register = 0 (CLKS1 not used)
Note that when using the CTS/RTS separate function, CTS/RTS of UART1 separate function cannot be
used.
Figure 15.22 shows CTS/RTS separate function usage.
CRD bit in UiC0 register = 1 (CTS/RTS function of UART0 disabled)
CRD bit = 0, CRS bit in UiC0 register= 0 (CTS function is selected)
CRD bit = 0, CRS bit = 1 (RTS function is selected)
Apr 14, 2006
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RXD0(P6_2)
TXD0(P6_3)
RTS0(P6_0)
CTS0(P6_4)
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MCU
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CTSi/RTSi pin is programmable I/O function
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CTSi/RTSi pin is CTS function
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CTSi/RTSi pin is RTS function
IN
OUT
CTS
RTS
IC
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15. Serial Interface
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