DESCRIPTION

The 7534 Group is the 8-bit microcomputer based on the 740 family core technology.

The 7534 Group has a USB, 8-bit timers, and an A-D converter, and is useful for an input device for personal computer peripherals.

FEATURES

? Basic machine-language instructions ....................................... 69

? The minimum instruction execution time .......................... 0.34 μs

(at 6 MHz oscillation frequency for the shortest instruction)

? Memory size

ROM ............................................... 8K to 16K bytes

RAM ..............................................256 to 384 bytes

? Programmable I/O ports ...................................... 28 (36-pin type)

............................................................................ 24 (32-pin type)

............................................................................ 33 (42-pin type)

? Interrupts .................................................... 14 sources, 8 vectors

? Timers ............................................................................ 8-bit ? 3

? Serial I/O1 ................................ used only for Low Speed in USB

(based on USBSpec. Rev.1.1)

(USB/UART)

? Serial I/O2 ...................................................................... 8-bit ? 1

(Clock-synchronized)

? A-D converter ................................................ 10-bit ? 8 channels

? Clock generating circuit ............................................. Built-in type

(connect to external ceramic resonator or quartz-crystal oscillator )

? Watchdog timer ............................................................ 16-bit ? 1

? Power source voltage

At 6 MHz XIN oscillation frequency at ceramic resonator

................................4.1 to 5.5 V(4.4 to 5.25 V at USB operation)

? Power dissipation ............................................ 30 mW (standard)

? Operating temperature range ................................... –20 to 85 °C

(0 to 70 °C at USB operation)

? Built-in USB 3.3 V Regulator + transceiver based on USB Spec. Rev.1.1

APPLICATION

Input device for personal computer peripherals