SM8521 datasheet(30/56 Pages) SHARP

Part #	SM8521

Description	8-Bit Single-Chip Microcomputer

PDF	56 Pages

Scroll/Zoom	100%

Manufacturer	SHARP [Sharp Corporation]

Direct Link	http://sharp-world.com/

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30 / 56 page

SM8521

P3C (Control register)

Bit 7

Bits 7 to 6 :

Bits 5 to 4 :

Bits 3 to 2 :

Bits 1 to 0 :

TIMER/COUNTERS

The SM8521 supports 8-bit timer x 2, and clock

timer x 1. One out of 8-bit prescaler output can be

selected as an 8-bit timer input.

P3C7 P3C6 P3C5 P3C4 P3C3 P3C2 P3C1 P3C0

BIT

CONTENT

Input

Input (with pull-up resistor)

Output/(Timer 1 clock outputs through P37)

BIT

CONTENT

Input

Input (with pull-up resistor)

Output

Output (open-drain)

BIT

CONTENT

Input

Input (with pull-up resistor)

Output

Output (open-drain)

BIT

CONTENT

Input

Input (with pull-up resistor)

Output

Output (open-drain)

- 30 -

Internal bus

Data register

Interrupt

8-bit prescaler

8-bit up-counter

Control register

fCK

Comparator

Fig. 13

8-Bit Timer Block Diagram

SM8521 Datasheet(PDF) 30 Page - Sharp Corporation

SM8521 Datasheet(HTML) 30 Page - Sharp Corporation

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