1. Features
 8051 compatible Pipe-lined instruction based on the single-chip 8-bit microcontroller
 Flash ROM：
- SH79F085: 8K Bytes
- SH79F165: 16K Bytes
 RAM: internal 256 Bytes, external 256 Bytes
 EEPROM: internal 512 Bytes
 Operation Voltage: VDD = 3.0V - 5.5V
 Oscillator (code option):
- Crystal oscillator: 400kHz - 16.6MHz
- Crystal oscillator: 32.768kHz
- Internal RC: 16.6MHz
- Internal RC: 128kHz
 15/19 CMOS bi-directional I/O pins
- SH79F085: 15/19 I/O
- SH79F165: 19 I/O
 Built-in pull-up resistor for input pin
 Four 16-bit timer/counters: T0, T1, T2, T3
 Built-in EUART
 Powerful interrupt sources:
- Timer0, Timer1, Timer2, Timer3
- INT0 - 2
- ADC, EUART, SCM
 Built-in Buzzer
 In system programming (ISP)
 Built-in regulator
- Output voltage: 2.7V
 20-Bit Σ-ΔAnalog Digital Converter (ADC)
- 20-bit data output, 16-bit resolution
- SH79F085: 2 differential input
- SH79F165: 3 differential input
 Built-in Programmable Gain Amplifier (PGA)
- Gain: 12.5X - 200X
 Built-in Low Voltage Reset (LVR) function
- LVR Voltage: 3.1V
- LVR Voltage: 4.3V
 CPU Machine cycle: 1 oscillator clock
 Built-in Watch Dog Timer (WDT) (code option)
 Built-in oscillator Warm-up Timer
 Support low power operation modes:
- IDLE Mode
- Power-Down Mode
 Flash Type
 Package:
- SH79F085: TSSOP20/SOP24
- SH79F165: SOP24