ATMEGA3250P-20AU Atmel, ATMEGA3250P-20AU Datasheet - Page 296

• Manufacturer Part Number: ATMEGA3250P-20AU
• Description: IC MCU AVR 32K FLASH 100-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA3250P-20AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI/UART/USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 69
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• For Use With: ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA3250P-16AU; ATMEGA3250P-16AU

Table 25-17. JTAG Programming Instruction Set
296
Instruction
1a. Chip Erase
1b. Poll for Chip Erase Complete
2a. Enter Flash Write
2b. Load Address High Byte
2c. Load Address Low Byte
2d. Load Data Low Byte
2e. Load Data High Byte
2f. Latch Data
2g. Write Flash Page
2h. Poll for Page Write Complete
3a. Enter Flash Read
3b. Load Address High Byte
3c. Load Address Low Byte
3d. Read Data Low and High Byte
4a. Enter EEPROM Write
4b. Load Address High Byte
4c. Load Address Low Byte
4d. Load Data Byte
4e. Latch Data
4f. Write EEPROM Page
4g. Poll for Page Write Complete
5a. Enter EEPROM Read
5b. Load Address High Byte
ATmega325P/3250P
a = address high bits, b = address low bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in, x = don’t care
TDI Sequence
0100011_10000000
0110001_10000000
0110011_10000000
0110011_10000000
0110011_10000000
0100011_00010000
0000111_aaaaaaaa
0000011_bbbbbbbb
0010011_iiiiiiii
0010111_iiiiiiii
0110111_00000000
1110111_00000000
0110111_00000000
0110111_00000000
0110101_00000000
0110111_00000000
0110111_00000000
0110111_00000000
0100011_00000010
0000111_aaaaaaaa
0000011_bbbbbbbb
0110010_00000000
0110110_00000000
0110111_00000000
0100011_00010001
0000111_aaaaaaaa
0000011_bbbbbbbb
0010011_iiiiiiii
0110111_00000000
1110111_00000000
0110111_00000000
0110011_00000000
0110001_00000000
0110011_00000000
0110011_00000000
0110011_00000000
0100011_00000011
0000111_aaaaaaaa
TDO Sequence
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_oooooooo
xxxxxxx_oooooooo
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
Notes
(2)
(9)
(1)
(1)
(2)
(9)
Low byte
High byte
(9)
(1)
(1)
(2)
(9)
8023F–AVR–07/09