HT85F2270 datasheet(133/226 Pages) HOLTEK

133 / 226 page

Rev. 1.00

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Standard 8051 8-Bit Flash MCU

HT85F2260/HT85F2270/HT85F2280

Bit 2

C/T0: Timer 0 Counter/Timer selection

0: Timer

1: Counter

Bit 1~0

T0M1, T0M0: Timer 0 mode selection

00: Mode 0 – 13-bit Timer/Counter

01: Mode 1 – 16-bit Timer/Counter

10: Mode 2 – 8-bit Auto Reload Timer/Counter

11: Mode 3 – Two independent 8-bit Timer/Counters

TCON Register

SFR Address: 88h

Bit

Name

TF1

TR1

TF0

TR0

IE1

IT1

IE0

IT0

R/W

POR

Bit 7

TF1: Timer 1 interrupt request flag

0: No request

1: Interrupt request

This bit will be cleared by hardware automatically.

Bit 6

TR1: Timer 1 Run control

0: Stop

1: Run

Bit 5

TF0: Timer 0 interrupt request flag

0: No request

1: Interrupt request

This bit will be cleared by hardware automatically.

Bit 4

TR0: Timer 0 Run control

0: Stop

1: Run

Bit 3

IE1: External interrupt 1 request flag

Described elsewhere

Bit 2

IT1: External interrupt 1 type control

Described elsewhere

Bit 1

IE0: External interrupt 0 request flag

Described elsewhere

Bit 0

IT0: External interrupt 0 type control

Described elsewhere

HT85F2270 Datasheet(PDF) 133 Page - Holtek Semiconductor Inc

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