 |
 |
|
| R32C |
|
|||||||||||||||||
 RENESAS
|
| |||||||||||||||||
|
2 page 
REJ03B0299-0100 Rev.1.00 Page 2 of 127 Jul 16, 2010 R32C/118A Group 1. Overview 1.1.2 Performance Overview Note: 1. Please contact a Renesas Electronics sales office to use the optional feature. Table 1.1 R32C/118A Group Performance for the 176 pin-Package (1/2) Unit Function Performance CPU Central processing unit R32C/100 Series CPU Core • Basic instructions: 108 • Minimum instruction execution time: 15.625 ns (f(CPU) = 64 MHz) • Multiplier: 32-bit × 32-bit 64-bit • Multiply-accumulate unit: 32-bit × 32-bit + 64-bit 64-bit • IEEE-754 floating point standard: Single precision • 32-bit barrel shifter • Operating mode: Single-chip mode, memory expansion mode, microprocessor mode (optional (1)) Memory Flash memory: 512 Kbytes to 1 Mbyte RAM: 96 Kbytes Data flash: 4 Kbytes × 2 blocks Refer to Table 1.5 for memory size of each product group Voltage Detector Low voltage detector Optional (1) Low voltage detection interrupt Clock Clock generator • 4 circuits (main clock, sub clock, PLL, on-chip oscillator) • Oscillation stop detector: Main clock oscillator stop/re-oscillation detection • Frequency divide circuit: Divide-by-2 to divide-by-24 selectable • Low power modes: Wait mode, stop mode External Bus Expansion Bus and memory expansion • Address space: 4 Gbytes (of which up to 64 Mbytes is user accessible) • External bus Interface: Support for wait-state insertion, 4 chip select outputs • Bus format: Separate bus/Multiplexed bus selectable, data bus width selectable (8/16/32 bits) Interrupts Interrupt vectors: 261 External interrupt inputs: NMI, INT × 9, key input × 4 Interrupt priority levels: 7 levels Watchdog Timer 15 bits × 1 (selectable input frequency from prescaler output) • Automatic timer start function is available DMA DMAC 4 channels • Cycle-steal transfer mode • Request sources: 61 • 2 transfer modes: Single transfer, repeat transfer DMAC II • Can be activated by any peripheral interrupt source • 3 transfer functions: Immediate data transfer, calculation transfer, chained transfer I/O Ports Programmable I/O ports • 2 input-only ports • 156 CMOS inputs/outputs • 52 ports are 5 V tolerant • A pull-up resistor is selectable for every 4 input ports (except 5 V tolerant inputs) |
