RL78/G12

RL78/G12 Pin Count / Memory Size Lineup

Key Features

Operating voltage: VDD = 1.8 to 5.5 V
Max. frequency: 24 MHz
ROM capacities: 2 KB to 16 KB flash memory
RAM capacities: 256 B to 2 KB
Available on-chip data flash (2 KB) products (Product name :R5F1026x, R5F1027x, R5F102Ax)
20-pin plastic SSOP package, 24-pin plastic QFN package, 30-pin plastic SSOP package
General-purpose register: 8 bits x 32 registers (8 bits x 8 registers x 4 banks)
High-speed on-chip oscillation clock

• 24 MHz high-speed oscillation clock: 24 MHz (TYP.)

On-chip single-power-supply flash memory (with prohibition of chip erase/block erase/writing function)
Self-programming (flash shield window function)
On-chip debug function
On-chip power-on-reset (POR) circuit and voltage detector (LVD)
On-chip watchdog timer (operable with the on-chip internal low-speed oscillation clock)
On-chip multiplier/divider/multiply-accumulator

• 16 bits x 16 bits = 32 bits（signed）
• 16 bits x 16 bits = 32 bits（unsigned）
• 32 bits / 32 bits = 32 bits（unsigned）
• 16 bitsx 16 bits + 32 bits = 32 bits (signed)
• 16 bitsx 16 bits + 32 bits = 32 bits (unsigned)

On-chip key interrupt function (R5F26x, R5F27x, R5F36x, R5F37x)
On-chip clock output/buzzer output controller
On-chip BCD adjustment
I/O ports: 16 to 26 (N-ch open drain: 2)
Timer

• 16-bit timer: 4 to 8 channels
• Watchdog timer: 1 channel
• Interval timer: 1 channel

Serial interface

• CSI/UART/Simplified I2C
• I2C

Stanby function

• HALT
• STOP
• SNOOZE

10-bit resolution A/D converter（VDD = EVDD = 1.8 - 5.5 V）: 8 to 11 channels
Operating ambient temperature: TA = -40 to +85°C

Key Applications

• Consumer Electronics, Industrial

Products