ST6209C STMicroelectronics, ST6209C Datasheet - Page 46
ST6209C
Manufacturer Part Number
ST6209C
Description
8 Bit ST6 Microcontroller with 4x8-bitADC 1x8-bit TIMER
Manufacturer
STMicroelectronics
Datasheet
1.ST6209C.pdf
(104 pages)
Specifications of ST6209C
Clock Sources
crystal/ceramic resonator or RC network, external clock, backup oscillator (LFAO)
2 Power Saving Modes
Wait and Stop
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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 2
ured in three different operating modes.
Figure 27. Timer Block Diagram
46/104
1
f
INT/12
PROGRAMMABLE PRESCALER
f
PSCR7
EXT
7
15
INTERRUPT
TIMER
. The peripheral may be config-
PIN
PSCR6 PSCR5 PSCR4 PSCR3 PSCR2 PSCR1 PSCR0
/128
TCR
REGISTER
/64
f
PSCR REGISTER
PRESCALER
TCR7
7
/32
TMZ
7
TCR6
/16
ETI
TOUT DOUT
/8
TCR5
8.2.2 Main Features
■
■
■
■
■
■
The timer can be used in WAIT and STOP modes
to wake up the MCU.
8-BIT DOWN COUNTER
Time-out downcounting mode with up to 15-bit
accuracy
External counter clock source (valid also in
STOP mode)
Interrupt capability on counter underflow
Output signal generation
External pulse length measurement
Event counter
TCR4
/4
LATCH
TCR3
/2
0
PSI
TCR2
PS2
TCR1
PS1
TCR0
PS0
0
0
/1
TSCR
REGISTER
f
COUNTER
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