Datasheet R8C/33D Group REJ03B0287-0100 Rev.1.00 RENESAS MCU Mar 31, 2010 1. Overview 1.1 Features The R8C/33D Group of single-chip MCUs incorporates the R8C CPU core, employing sophisticated instructions for a high level of efficiency. With 1 Mbyte of address space, and it is capable of executing instructions at high speed. In addition, the CPU core boasts a multiplier for high-speed operation processing. Power consumption is low, and the supported operating modes allow additional power control. These MCUs are designed to maximize EMI/EMS performance. Integration of many peripheral functions, including multifunction timer and serial interface, reduces the number of system components. 1.1.1 Applications Electronic household appliances, office equipment, audio equipment, consumer equipment, etc. REJ03B0287-0100 Rev.1.00 Page 1 of 42 Mar 31, 2010R8C/33D Group 1. Overview 1.1.2 Specifications Tables 1.1 and 1.2 outline the Specifications for R8C/33D Group. Table 1.1 Specifications for R8C/33D Group (1) Item Function Specification CPU Central processing R8C CPU core unit Number of fundamental instructions: 89 Minimum instruction execution time: 50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V) 200 ns (f(XIN) = 5 MHz, VCC = 1.8 to 5.5 V) Multiplier: 16 bits 16 bits 32 bits Multiply-accumulate instruction: 16 bits 16 bits + 32 bits 32 bits Operation mode: Single-chip mode (address space: 1 Mbyte) Memory ROM, RAM Refer to Table 1.3 Product List for R8C/33D Group. Power Supply Voltage detection Power-on reset Voltage circuit Voltage detection 3 (detection level of voltage detection 0 and voltage Detection detection 1 selectable) I/O Ports Programmable I/O Input-only: 1 pin ports CMOS I/O ports: 27, selectable pull-up resistor High current drive ports: 27 Clock Clock generation 4 circuits: XIN clock oscillation circuit, circuits XCIN clock oscillation circuit (32 kHz), High-speed on-chip oscillator (with frequency adjustment function), Low-speed on-chip oscillator Oscillation stop detection: XIN clock oscillation stop detection function Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16 Low power consumption modes: Standard operating mode (high-speed clock, low-speed clock, high-speed on-chip oscillator, low-speed on-chip oscillator), wait mode, stop mode Real-time clock (timer RE) Interrupts Number of interrupt vectors: 69 External Interrupt: 7 (INT 3, Key input 4) Priority levels: 7 levels Watchdog Timer 14 bits 1 (with prescaler) Reset start selectable Low-speed on-chip oscillator for watchdog timer selectable Timer Timer RA 8 bits 1 (with 8-bit prescaler) Timer mode (period timer), pulse output mode (output level inverted every period), event counter mode, pulse width measurement mode, pulse period measurement mode Timer RB 8 bits 1 (with 8-bit prescaler) Timer mode (period timer), programmable waveform generation mode (PWM output), programmable one-shot generation mode, programmable wait one- shot generation mode Timer RC 16 bits 1 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 3 pins), PWM2 mode (PWM output pin) Timer RE 8 bits 1 Real-time clock mode (count seconds, minutes, hours, days of week), output compare mode Serial UART0 Clock synchronous serial I/O/UART 2 2 Interface UART2 C mode (I C-bus), Clock synchronous serial I/O/UART, I multiprocessor communication function A/D Converter 10-bit resolution 12 channels, includes sample and hold function, with sweep mode Comparator B 2 circuits REJ03B0287-0100 Rev.1.00 Page 2 of 42 Mar 31, 2010