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    5. Renesas Electronics Announces New Microcontrollers that Provide Ultimate LED Lighting Functionality

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Product Specifications of the RL78/I1A MCUs

Group RL78/I1A
Pin count 20-pin 30-pin 32-pin 38-pin
Name R5F
1076C
R5F
107AC
R5F
107AE
R5F
107BC
R5F
107DE
Code flash memory 32 KB 32 KB 64 KB 32 KB 64 KB
Data flash memory 4 KB
RAM 2 KB 2 KB 4 KB 2 KB 4 KB
Clock
  • External clock 1 to 20 MHz
  • Internal high-speed oscillation clock
    32/24/16/12/8/4/1 MHz
  • Internal low-speed oscillation clock 15 KHz
  • Subsystem clock 32.768 KHz  *38-pin products only
I/O 16 26 28 34
Timer 16-bit timer KB
(For lighting and PFC)
2 output × 2 ch 2 output × 3 ch
  • High resolution PWM (MAX. 64 MHz)
  • Dithering function average resolution 0.97 ns
    (Timer KB clock at 64 MHz)
  • Interleave PFC control function
  • Forced output stop function
  • Smooth start function
16-bit timer KC
(For PWM dimming)
  • 1 ch (for gate control of timer KB outputs)
16-bit timer TAU
(For base timer)
  • 8 ch
Interval timer
  • 1 ch
Watchdog timer
  • 1 ch
Real-time clock
  • 1 ch *The subsystem clock can be selected as the
    operating clock only for 38-pin products
Serial I/F UART (supporting DALI communication) 2 ch 3 ch 2 ch 3 ch (Note 1)
CSI 1 ch
I2C 1 ch
10-bit resolution A/D converter 6 ch 11 ch 9 ch 11 ch
Programmable gain amplifier 1 ch
Input (Note 2) 4 ch 6 ch 5 ch 6 ch
Comparator 4 ch 6 ch 5 ch 6 ch
  • Window comparator function
  • Reference voltage: 256 resolution based on VDD/AVREFP and VSS/AVREFM or external reference voltage input pin (CMPCOM)
External interrupt sources 7 10 11
DMA controller 2 ch
MUL/calculation
  • 16-bit × 16-bit + 32-bit (2 clock)
Other
  • Safety, temperature sensor, low-voltage detection circuit (LVD), power-on-reset (POR)
Power supply voltage 2.7 V to 5.5 V
Operating ambient temperature −40 to +125℃
  • Note 1) Max channels, for example, 2 ch when using CSI.

  • Note 2) The input pins alternatively used with analog input pin (ANI pin).

The content in the press release, including, but not limited to, product prices and specifications, is based on the information as of the date indicated on the document, but may be subject to change without prior notice.

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