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R32C157_15 Datasheet, PDF (2/135 Pages) Renesas Technology Corp – RENESAS MCU | |||
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R32C/157 Group
1. Overview
1.1.2 Performance Overview
Tables 1.1 and 1.2 show the performance overview of the R32C/157 Group.
Table 1.1 Performance Overview (1/2)
Unit
Function
Explanation
CPU
Central processing R32C/100 Series CPU Core
unit
⢠Basic instructions: 108
⢠Minimum instruction execution time: 15.625 ns (f(CPU) = 64 MHz)
⢠Multiplier: 32-bit à 32-bit ï¢ 64-bit
⢠Multiply-accumulate unit: 32-bit à 32-bit + 64-bit ï¢ 64-bit
⢠IEEE-754 compatible FPU: Single precision
⢠32-bit barrel shifter
⢠Operating mode: Single-chip mode
Memory
Flash memory: 256/384/512 Kbytes
RAM: 20/24/32 Kbytes
Data flash: 4 Kbytes à 2 blocks
E2dataFlash: none (1)/4 Kbytes
Refer to Table 1.3 for details
Voltage
Detector
Low voltage
detector
Optional (2)
Low voltage detection interrupt
Clock
Clock generator
⢠4 circuits (main clock, sub clock, PLL, on-chip oscillator)
⢠Oscillation stop detector: Main clock oscillator stop/restart detection
⢠Frequency divide circuit: Divide-by-2 to divide-by-24 selectable
⢠Low power modes: Wait mode, stop mode
Interrupts
Interrupt vectors: 261
External interrupt inputs: NMI, INT à 9, key input à 4
Interrupt priority levels: 7
Watchdog Timer
15 bits à 1 (selectable input frequency from prescaler output)
Automatic timer start function is available
DMA
DMAC
4 channels
⢠Cycle-steal transfer mode
⢠Request sources: 52
⢠2 transfer modes: Single transfer, repeat transfer
DMAC II
⢠Triggered by an interrupt request of any peripheral
⢠3 characteristic transfer functions: Immediate data transfer,
calculation result transfer, chain transfer
I/O Ports
Programmable I/O ⢠2 input-only ports
ports
⢠120 CMOS I/O ports
⢠A pull-up resistor is selectable for every 4 input ports
Timer
Timer A
16-bit timer à 5
Timer mode, event counter mode, one-shot timer mode, pulse-width
modulation (PWM) mode
Two-phase pulse signal processing in event counter mode (two-
phase encoder input) Ã 3
Timer B
16-bit timer à 6
Timer mode, event counter mode, pulse frequency measurement
mode, pulse-width measurement mode
Three-phase motor Three-phase motor control timer à 1 (timers A1, A2, A4, and B2 used)
control timer
8-bit programmable dead time timer
Notes:
1. Contact a Renesas Electronics sales office to use the non-E2dataFlash version.
2. Contact a Renesas Electronics sales office to use the optional features.
R01DS0076EJ0120 Rev.1.20
Aug 07, 2013
Page 2 of 129
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