attiny13-20ss ATMEL Corporation, attiny13-20ss Datasheet - Page 112
attiny13-20ss
Manufacturer Part Number
attiny13-20ss
Description
8-bit Microcontroller With 1k Bytes In-system Programmable Flash - Atmel Corporation
Manufacturer
ATMEL Corporation
Datasheet
1.ATTINY13-20SS.pdf
(177 pages)
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High-voltage Serial
Programming
112
ATtiny13
This section describes how to program and verify Flash Program memory, EEPROM
Data memory, Lock bits and Fuse bits in the ATtiny13.
Figure 57. High-voltage Serial Programming
Table 52. Pin Name Mapping
The minimum period for the Serial Clock Input (SCI) during High-voltage Serial Pro-
gramming is 220 ns.
Table 53. Pin Values Used to Enter Programming Mode
Signal Name in High-voltage
Serial Programming Mode
SDI
SII
SDO
SCI
Pin
SDI
SII
SDO
SCI
+11.5 - 12.5V
PB5
PB3
GND
Symbol
Prog_enable[1]
Prog_enable[0]
Prog_enable[2]
PB0
PB1
PB2
PB3
Pin Name
(RESET)
I/O
I
I
O
I
VCC
PB2
PB1
PB0
Function
Serial Data Input
Serial Instruction Input
Serial Data Output
Serial Clock Input (min. 220ns period)
+1.8 - 5.5V
Value
SDO
SII
SDI
0
0
0
2535G–AVR–01/07
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