DESCRIPTION

The 7510 group is the 8-bit microcomputer based on the 740 family core technology.

This microcomputer is equipped with added functions such as a dot matrix type LCD controller/driver built in a contrast controller and UART.

FEATURES

● Basic machine-language instructions ...................................... 71

● The minimum instruction execution time ........................... 0.5 μs

(at 8.0 MHz oscillation frequency)

● RAM for LCD display .................................................... 160 bytes

● Programmable input/output ports ............................................ 41

● Interrupts ................................................. 15 sources, 15 vectors

(includes key-on wake up)

● Timers ........................................................... 8-bit ? 3, 16-bit ? 2

● Serial I/O ...................... 8-bit ? 2 (UART or clock-synchronized)

● LCD controller/driver Bias ........................................ 1/4, 1/5 bias

Duty ratio ......................1/8, 1/11, 1/16 duty

Common output ...................................... 16

Segment output ...................................... 80

Built-in an LCD contrast controller

(capable of 32-step contrast adjustment)

● 2 Clock generating circuit

(Connect to external ceramic resonator or quartz-crystal.)

● Power source voltage

In high-speed mode .................................................. 4.0 to 5.5 V

In middle-speed mode ............................................... 2.5 to 5.5 V

In low-speed mode .................................................... 2.5 to 5.5 V

● Power dissipation

In high-speed mode ..........................................................32 mW

(at 8.0 MHz oscillation frequency)

In low-speed mode ............................................................ 60 μW

(at 32 kHz oscillation frequency and 3.0 V power source voltage)

In wait mode ........................................................................ 9 μW

(at 32 kHz oscillation frequency and 3.0 V power source voltage)

● Operating temperature range.................................. –20 to +85°C

APPLICATION

Cellular radio telephones, business telephones, facsimiles, and other portable equipment that need a large capacity of LCD display.