Features

SH6610D-based single-chip 4-bit micro-controller

OTPROM: 6k X 16 bits

RAM: 389 X 4 bits

69 System control register

320 Data memory

Operation voltage:

fOSC = 30kHz - 4MHz, VDD = 2.4V - 5.5V

fOSC = 4MHz - 8MHz, VDD = 4.5V - 5.5V

29 CMOS bi-directional I/O pins

8-level stack (including interrupts)

Two 8-bit auto re-loaded timer/counter, one can switch to

external clock source

Warm-up timer

Built-in pull-high for I/O port

Powerful interrupt sources:

Timer0 interrupt

Timer1 interrupt

Timer2 interrupt

External interrupts: PORTF (Falling edge), CMPOUT

Oscillator (code option)

Crystal oscillator: 32.768kHz, 400kHz - 8MHz

- Ceramic resonator: 400kHz - 8MHz

- External RC oscillator: 400kHz - 8MHz

- Internal RC oscillator: 2MHz, 4MHz, 6MHz

- External clock: 30kHz - 8MHz

Instruction cycle time (4/fOSC)

Two low power operation modes: HALT and STOP

Reset:

- Built-in watchdog timer (code option)

- Built-in Power-on Reset (POR)

- Built-in Low Voltage Reset (LVR)

Two-level Low Voltage Reset (LVR) (code option)

One 16-bit timer/counter for pulse measurement

LED numeric display drive capability on PORTA, PORTB,

PORTD and PORTH [1:0]

Built-in one comparator

Read ROM Table function

2 channels Tone generator

Internal reliable reset circuit

OTP type/code protection

28-pin SKINNY/28-pin SOP/32-pin DIP package