ATMEGA32L-8PC Atmel, ATMEGA32L-8PC Datasheet - Page 162
ATMEGA32L-8PC
Manufacturer Part Number
ATMEGA32L-8PC
Description
IC AVR MCU 32K LV 8MHZ COM 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32L-8PC
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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USART Control and
Status Register C –
UCSRC
2503Q–AVR–02/11
• Bit 1 – RXB8: Receive Data Bit 8
RXB8 is the ninth data bit of the received character when operating with serial frames with nine
data bits. Must be read before reading the low bits from UDR.
• Bit 0 – TXB8: Transmit Data Bit 8
TXB8 is the ninth data bit in the character to be transmitted when operating with serial frames
with nine data bits. Must be written before writing the low bits to UDR.
The UCSRC Register shares the same I/O location as the UBRRH Register. See the
UBRRH/ UCSRC Registers” on page 158
• Bit 7 – URSEL: Register Select
This bit selects between accessing the UCSRC or the UBRRH Register. It is read as one when
reading UCSRC. The URSEL must be one when writing the UCSRC.
• Bit 6 – UMSEL: USART Mode Select
This bit selects between Asynchronous and Synchronous mode of operation.
Table 63. UMSEL Bit Settings
Bit
Read/Write
Initial Value
UMSEL
0
1
URSEL
R/W
7
1
UMSEL
R/W
6
0
Mode
Asynchronous Operation
Synchronous Operation
UPM1
R/W
5
0
UPM0
R/W
4
0
section which describes how to access this register.
USBS
R/W
3
0
UCSZ1
R/W
2
1
UCSZ0
R/W
1
1
ATmega32(L)
UCPOL
R/W
0
0
UCSRC
“Accessing
162
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