ST6200 STMICROELECTRONICS [STMicroelectronics], ST6200 Datasheet - Page 45

• Manufacturer Part Number: ST6200
• Description: 8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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