ATTINY13-20PI Atmel, ATTINY13-20PI Datasheet - Page 109
![IC MCU AVR 1K FLASH 20MHZ 8DIP](/photos/6/50/65033/313-8-dip_sml.jpg)
ATTINY13-20PI
Manufacturer Part Number
ATTINY13-20PI
Description
IC MCU AVR 1K FLASH 20MHZ 8DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY13-20PI
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
1KB (512 x 16)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Connectivity
-
Other names
ATTINY13-24PI
ATTINY13-24PI
ATTINY13-24PI
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17.7.1
2535J–AVR–08/10
High-Voltage Serial Programming Algorithm
Table 17-10. Pin Name Mapping
The minimum period for the Serial Clock Input (SCI) during High-voltage Serial Programming is
220 ns.
Table 17-11. Pin Values Used to Enter Programming Mode
To program and verify the ATtiny13 in the High-voltage Serial Programming mode, the following
sequence is recommended (See instruction formats in
The following algorithm puts the device in High-voltage Serial Programming mode:
If the rise time of the Vcc is unable to fulfill the requirements listed above, the following alterna-
tive algorithm can be used.
Signal Name in High-voltage
Serial Programming Mode
SDI
SII
SDO
SCI
Pin
SDI
SII
SDO
1. Set Prog_enable pins listed in
2. Apply 4.5 - 5.5V between VCC and GND. Ensure that Vcc reaches at least 1.8V within
3. Wait 20 - 60µs, and apply 11.5 - 12.5V to RESET.
4. Keep the Prog_enable pins unchanged for at least 10µs after the High-voltage has
5. Release the Prog_enable[2] pin to avoid drive contention on the Prog_enable[2]/SDO
6. Wait at least 300µs before giving any serial instructions on SDI/SII.
7. Exit Programming mode by power the device down or by bringing RESET pin to 0V.
1. Set Prog_enable pins listed in
2. Apply 4.5 - 5.5V between VCC and GND.
3. Monitor Vcc, and as soon as Vcc reaches 0.9 - 1.1V, apply 11.5 - 12.5V to RESET.
4. Keep the Prog_enable pins unchanged for at least 10µs after theHigh-voltage has been
5. Release the Prog_enable[2] pin to avoid drive contention on the Prog_enable[2]/SDO
the next 20µs.
been applied to ensure the Prog_enable Signature has been latched.
pin.
applied to ensure the Prog_enable Signature has been latched.
pin.
Symbol
Prog_enable[0]
Prog_enable[1]
Prog_enable[2]
Pin Name
PB0
PB1
PB2
PB3
Table 17-11
Table 17-11
I/O
I
I
O
I
to “000”, RESET pin to “0” and Vcc to 0V.
to “000”, RESET pin to “0” and Vcc to 0V.
Table 17-13 on page
Serial Instruction Input
Function
Serial Data Input
Serial Data Output
Serial Clock Input (min. 220ns period)
110):
Value
0
0
0
109
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