1.1 Features
 Fully integrated battery management solution with battery capacity measurement and programmable protection capability.
 Supports up to 5 Li-ion or Li-Polymer battery cells in series.
 Integrated with Renesas Ultra Low Power RL78 CPU core for multi-function process
 Memory
Code flash memory: 32 to 64 KB
Data flash memory (up to 100,000 erase/write cycles): 4 KB
SRAM: 1.5 to 4 KB
 Clock generator
High speed on-chip oscillator: up to 32 MHz
Low speed on-chip oscillator: 32 KHz
AFE on-chip oscillator: 4.194MHz
 General Purpose I/O Ports
Total: 11 pins
CMOS input/output: 6
CMOS input: 2
N-ch open drain: 2
High voltage output [VCC tolerance]: 1
 Serial interface
CSI (SPI): 1 channel
I2C: 1 channel
UART: 1 channel
Simplified I2C: 1 channel
 Timer
MCU 16-bit timer: 3 channels
MCU 12-bit interval timer: 1 channel
AFE timer: 2 channels
- AFE timer A: setting range: 125 ms to 64 s
- AFE timer B: setting range：30.52 us to 125 ms
 Embedded A/D converter
AFE 15-bit resolution sigma-delta A/D converter
 Current integration circuit
18-bit resolution sigma-delta A/D converter