ATTINY26-16PI Atmel, ATTINY26-16PI Datasheet - Page 110

• Manufacturer Part Number: ATTINY26-16PI
• Description: IC AVR MCU 2K 16MHZ IND 20-DIP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY26-16PI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

110
ATtiny26(L)
Figure 58. Parallel Programming
Table 54. Pin Name Mapping
Note:
Table 55. Pin Values used to Enter Programming Mode
Signal Name in
Programming Mode
WR
XA0
XA1/BS2
PAGEL/BS1
OE
RDY/BSY
DATA
Pin
PAGEL/BS1
XA1/BS2
XA0
WR
1. The pin is used for two different control signals. In the description below, normally only one of
(1)
the signals is referred. E.g., “give BS1 a positive pulse” equals “give PAGEL/BS1 a positive
pulse”.
(1)
PAGEL/BS1
RDY/BSY
XA1/BS2
Pin Name
+12 V
PA7:0
XA0
WR
PB0
PB1
PB2
PB3
PB5
PB6
OE
I/O
I/O
O
I
I
I
I
I
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
PB0
PB1
PB2
PB3
PB5
RESET
GND
PB6
XTAL1/PB4
Function
Write Pulse (Active low)
XTAL Action Bit 0
XTAL Action Bit 1 multiplexed with Byte Select 2
(“0” selects low byte, “1” selects 2’nd high byte)
Program Memory and EEPROM data Page Load
multiplexed with Byte Select 1 (“0” selects low
byte, “1” selects high byte).
Output Enable (Active low)
0: Device is busy programming, 1: Device is ready
for new command
Bidirectional Data bus (Output when OE is low)
Symbol
PA7: PA0
AVCC
VCC
+5V
+5V
DATA
Value
0
0
0
0
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