Datasheet

ST6200C/ST6201C/ST6203C
45/100
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
15
.
8.2.2 Main Features
■ Time-out downcounting mode with up to 15-bit
accuracy
■ Interrupt capability on counter underflow
The timer can be used in WAIT mode to wake up
the MCU.
Figure 27. Timer Block Diagram
INTERRUPT
TMZ
ETI TSCR5 TSCR4 PSI PS2 PS1 PS0
TSCR
PROGRAMMABLE PRESCALER
PSCR6
PSCR5 PSCR4 PSCR3 PSCR2 PSCR1 PSCR0
PSCR REGISTER
0
70
TCR7
TCR6 TCR5 TCR4 TCR3 TCR2 TCR1 TCR0
TCR
70
RELOAD
8-BIT DOWN COUNTER
f
PRESCALER
f
COUNTER
f
INT/12
PSCR7
7
/2
/1
/4/8/16/32/64/128
REGISTER
REGISTER
1