ATMEGA163L-4PI Atmel, ATMEGA163L-4PI Datasheet - Page 41

IC AVR MCU 16K A/D 2.7V 40DIP

ATMEGA163L-4PI

Manufacturer Part Number
ATMEGA163L-4PI
Description
IC AVR MCU 16K A/D 2.7V 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet

Specifications of ATMEGA163L-4PI

Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Timer/Counter0 Control
Register – TCCR0
1142E–AVR–02/03
Figure 32. Timer/Counter0 Block Diagram
• Bits 7..3 – Res: Reserved Bits
These bits are reserved bits in the ATmega163 and always read as zero.
• Bits 2..0 – CS02, CS01, CS00: Clock Select0, Bit 2, 1, and 0
The Clock Select0 bits 2,1, and 0 define the prescaling source of Timer0.
Table 11. Clock0 Prescale Select
The Stop condition provides a Timer Enable/Disable function. The prescaled CK modes
are scaled directly from the CK Oscillator clock. If the external pin modes are used for
Timer/Counter0, transitions on PB0/(T0) will clock the counter even if the pin is config-
ured as an output. This feature can give the user SW control of the counting.
Bit
$33 ($53)
Read/Write
Initial Value
CS02
0
0
0
0
1
1
1
1
7
TIMER/COUNTER0
REGISTER (TIMSK)
TIMER INT. MASK
R
7
0
CS01
(TCNT0)
0
0
1
1
0
0
1
1
R
6
0
CS00
0
0
1
0
1
0
1
0
1
R
5
0
T/C0 OVER-
FLOW IRQ
Stop, Timer/Counter0 is stopped.
CK
CK/8
CK/64
CK/256
CK/1024
External Pin T0, falling edge
External Pin T0, rising edge
Description
T/C CLK SOURCE
REGISTER (TIFR)
TIMER INT. FLAG
R
4
0
R
3
0
CS02
R/W
2
0
ATmega163(L)
CONTROL
LOGIC
REGISTER (TCCR0)
CS01
R/W
T/C0 CONTROL
1
0
CS00
R/W
0
0
TCCR0
CK
41

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