R32C/118A Group
1. Overview
1.1.2
Performance Overview
Table 1.1 to Table 1.4 show the performance overview of the R32C/118A Group.
Table 1.1
Unit
R32C/118A Group Performance for the 176 pin-Package (1/2)
Function Performance
Central
CPU
R32C/100 Series CPU Core
• Basic instructions: 108
processing unit
• 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,
(1)
microprocessor mode (optional
)
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
(1)
Voltage
Detector
Low voltage
detector
Optional
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 Bus and memory • Address space: 4 Gbytes (of which up to 64 Mbytes is user
Expansion
expansion
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
DMA
15 bits × 1 (selectable input frequency from prescaler output)
• Automatic timer start function is available
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
Note:
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)
1. Please contact a Renesas Electronics sales office to use the optional feature.
REJ03B0299-0100 Rev.1.00
Jul 16, 2010
Page 2 of 127
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