ATTINY40-MMHR Atmel, ATTINY40-MMHR Datasheet - Page 61

• Manufacturer Part Number: ATTINY40-MMHR
• Description: MCU AVR 4KB FLASH 12MHZ 3X3 QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY40-MMHR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 12MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

8263A–AVR–08/10
Table 10-11
shown in
Table 10-11. Overriding Signals for Alternate Functions in PC[5:3]
Notes:
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
1. EXT_CLOCK = external clock is selected as system clock.
2. x RSTDISBL is 1 when the configuration bit is “0” (programmed).
3. When TWI is enabled the slew rate control and spike filter are activated on PC4. This is not
Figure 10-6 on page
(EXT_CLOCK • PWR_DOWN )
+ (EXT_CLOCK
illustrated in
TWI.
and
EXT_CLOCK + (PCINT17 •
CLOCK / PCINT17 Input
PC5/CLKI/PCINT17
Table 10-12
EXT_CLOCK
EXT_CLOCK
EXT_CLOCK
PCIE2)
PCIE2)
Figure 10-6 on page
0
0
0
0
(1)
• PCINT17 •
52.
(1)
(1)
(1)
relate the alternate functions of Port C to the overriding signals
52. The spike filter is connected between AIOxn and the
PCINT16 / SPI Slave Input
PC4/MOSI/SDA/PCINT16
(SPE • MSTR) + TWEN
TWEN + (SPE • MSTR)
TWEN • (SPE + MSTR)
TWEN • SPE • MSTR •
SPI_MASTER_OUT +
TWEN • SDA_OUT
PCINT16 • PCIE2
PCINT16 • PCIE2
SDA Input
0
0
0
RSTDISBL
RSTDISBL
PC3/RESET/PCINT15
PCINT15 Input
RSTDISBL
RSTDISBL
RSTDISBL
PCIE2)
PCIE2
(2)
(2)
1
0
0
0
+ (PCINT15 •
• PCINT15 •
(2)
(2)
(2)
61