ST62T25CM6 STMicroelectronics, ST62T25CM6 Datasheet - Page 47

• Manufacturer Part Number: ST62T25CM6
• Description: IC MCU 8BIT OTP 4K 28 SOIC
• Manufacturer: STMicroelectronics
• Series: ST6r

Specifications of ST62T25CM6

• Core Processor: ST6
• Core Size: 8-Bit
• Speed: 8MHz
• Peripherals: LVD, POR, WDT
• Number Of I /o: 20
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: OTP
• Ram Size: 64 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 6 V
• Data Converters: A/D 16x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: ST62T2x
• Core: ST6
• Data Bus Width: 8 bit
• Data Ram Size: 64 B
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 20
• Number Of Timers: 2
• Operating Supply Voltage: 3 V to 6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST62GP-EMU2, ST62E2XC-EPB/110, ST62E6XC-EPB/US, ST622XC-KIT/110, STREALIZER-II
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-2101-5

9.2 8-BIT TIMER
9.2.1 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
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
/32
7
7
TMZ
TCR6
/16
ETI
/8
TCR5
TOUT DOUT
9.2.2 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
ST6215CM-Auto ST6225CM-Auto
TCR2
PS2
TCR1
PS1
TCR0
PS0
0
0
/1
TSCR
REGISTER
f
COUNTER
47/100
1