ATTINY461-15MZ Atmel, ATTINY461-15MZ Datasheet - Page 175

• Manufacturer Part Number: ATTINY461-15MZ
• Description: MCU AVR 4K FLASH 15MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY461-15MZ

• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 16
• Eeprom Size: 256 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: USI
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7753F–AVR–01/11
Figure 22-1. Parallel Programming
Table 22-9.
Table 22-10. Pin Values Used to Enter Programming Mode
Table 22-11. XA1 and XA0 Coding
Programming Mode
XA1
Signal Name in
0
0
1
1
PAGEL/BS1
RDY/BSY
XA1/BS2
DATA I/O
XA0
WR
OE
PAGEL/BS1
XA1/BS2
XA0
XA0
WR
Pin
Pin Name Mapping
0
1
0
1
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined by BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
Pin Name
PA7-PA0
PAGEL/BS1
PB0
PB1
PB2
PB3
PB5
PB6
RDY/BSY
XA1/BS2
+12 V
XA0
WR
OE
ATtiny261/ATtiny461/ATtiny861
I/O
I/O
O
I
I
I
I
I
PB0
PB1
PB2
PB3
XTAL1/PB4
PB5
PB6
RESET
GND
Function
Write Pulse (Active low).
XTAL Action Bit 0
XTAL Action Bit 1. Byte Select 2 (“0” selects low byte, “1”
selects 2’nd high byte).
Byte Select 1 (“0” selects low byte, “1” selects high byte).
Program Memory and EEPROM Data Page Load.
Output Enable (Active low).
0: Device is busy programming, 1: Device is ready for new
command.
Bi-directional Data bus (Output when OE is low).
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Symbol
PA7 - PA0
AVCC
VCC
+5V
+5V
DATA
Value
0
0
0
0
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