ST62P10C-FASTROM 查看數據表（PDF） - STMicroelectronics

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ST62P10C-FASTROM

8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET

STMicroelectronics 

ST6208C/ST6209C/ST6210C/ST6220C

8.2 8-BIT TIMER

8.2.1 Introduction

The 8-Bit Timer on-chip peripheral is a free run-

ning downcounter based on an 8-bit downcounter

with a 7-bit programmable prescaler, giving a max-

imum count of 215. The peripheral may be config-

ured in three different operating modes.

Figure 27. Timer Block Diagram

8.2.2 Main Features

s Time-out downcounting mode with up to 15-bit

accuracy

s External counter clock source (valid also in

STOP mode)

s Interrupt capability on counter underflow

s Output signal generation

s External pulse length measurement

s Event counter

The timer can be used in WAIT and STOP modes

to wake up the MCU.

fINT/12

TIMER

PIN

7

8-BIT DOWN COUNTER

0

TCR

TCR7 TCR6 TCR5 TCR4 TCR3 TCR2 TCR1 TCR0

REGISTER

fCOUNTER

fEXT

LATCH

7

0

TMZ

ETI TOUT DOUT PSI

PS2

PS1

PS0

TSCR

REGISTER

INTERRUPT

fPRESCALER

7

PSCR REGISTER

0

PSCR7 PSCR6 PSCR5 PSCR4 PSCR3 PSCR2 PSCR1 PSCR0

/1

/128 /64 /32 /16 /8

/4

/2

PROGRAMMABLE PRESCALER

46/104

1

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