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R5F21294KXXXSP Datasheet(PDF) 2 Page - Renesas Technology Corp |
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R5F21294KXXXSP Datasheet(HTML) 2 Page - Renesas Technology Corp |
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2 / 71 page  R8C/28 Group, R8C/29 Group 1. Overview Rev.1.10 May 17, 2007 Page 2 of 67 REJ03B0169-0110 1.2 Performance Overview Table 1.1 outlines the Functions and Specifications for R8C/28 Group and Table 1.2 outlines the Functions and Specifications for R8C/29 Group. NOTES: 1. I2C bus is a trademark of Koninklijke Philips Electronics N. V. 2. Specify the D, K version if D, K version functions are to be used. Table 1.1 Functions and Specifications for R8C/28 Group Item Specification CPU Number of fundamental instructions 89 instructions Minimum instruction execution time 50 ns (f(XIN) = 20 MHz, VCC = 3.0 to 5.5 V) (other than K version) 62.5 ns (f(XIN) = 16 MHz, VCC = 3.0 to 5.5 V) (K version) 100 ns (f(XIN) = 10 MHz, VCC = 2.7 to 5.5 V) 200 ns (f(XIN) = 5 MHz, VCC = 2.2 to 5.5 V) (N, D version) Operating mode Single-chip Address space 1 Mbyte Memory capacity Refer to Table 1.3 Product Information for R8C/28 Group Peripheral Functions Ports I/O ports: 13 pins, Input port: 3 pins LED drive ports I/O ports: 8 pins (N, D version) Timers Timer RA: 8 bits × 1 channel Timer RB: 8 bits × 1 channel (Each timer equipped with 8-bit prescaler) Timer RC: 16 bits × 1 channel (Input capture and output compare circuits) Timer RE: With real-time clock and compare match function (For J, K version, compare match function only.) Serial interfaces 1 channel (UART0): Clock synchronous serial I/O, UART 1 channel (UART1): UART Clock synchronous serial interface 1 channel I2C bus Interface(1) Clock synchronous serial I/O with chip select LIN module Hardware LIN: 1 channel (timer RA, UART0) A/D converter 10-bit A/D converter: 1 circuit, 4 channels Watchdog timer 15 bits × 1 channel (with prescaler) Reset start selectable Interrupts Internal: 15 sources (N, D version), Internal: 14 sources (J, K version) External: 4 sources, Software: 4 sources, Priority levels: 7 levels Clock generation circuits 3 circuits • XIN clock generation circuit (with on-chip feedback resistor) • On-chip oscillator (high speed, low speed) High-speed on-chip oscillator has a frequency adjustment function • XCIN clock generation circuit (32 kHz) (N, D version) • Real-time clock (timer RE) (N, D version) Oscillation stop detection function XIN clock oscillation stop detection function Voltage detection circuit On-chip Power-on reset circuit On-chip Electrical Characteristics Supply voltage VCC = 3.0 to 5.5 V (f(XIN) = 20 MHz) (other than K version) VCC = 3.0 to 5.5 V (f(XIN) = 16 MHz) (K version) VCC = 2.7 to 5.5 V (f(XIN) = 10 MHz) VCC = 2.2 to 5.5 V (f(XIN) = 5 MHz) (N, D version) Current consumption (N, D version) Typ. 10 mA (VCC = 5.0 V, f(XIN) = 20 MHz) Typ. 6 mA (VCC = 3.0 V, f(XIN) = 10 MHz) Typ. 2.0 µA (VCC = 3.0 V, wait mode (f(XCIN) = 32 kHz) Typ. 0.7 µA (VCC = 3.0 V, stop mode) Flash Memory Programming and erasure voltage VCC = 2.7 to 5.5 V Programming and erasure endurance 100 times Operating Ambient Temperature -20 to 85 °C (N version) -40 to 85 °C (D, J version)(2), -40 to 125°C (K version)(2) Package 20-pin molded-plastic LSSOP |
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