ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 258

• Manufacturer Part Number: ATMEGA325A-MU
• Description: IC MCU AVR 32K FLASH 64VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA325A-MU

• 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: 54
• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

258
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Note:
Table 24-6.
Bit Number
242
241
240
239
238
237
236
235
234
233
232
231
230
229
228
227
226
225
224
223
222
221
220
219
218
217
216
215
214
213
212
211
210
209
208
1. PRIVATE_SIGNAL1 should always be scanned in as zero.
ATmega3250A/3250PA/6450A/6450P Boundary-scan Order, 100-pin
Signal Name
AC_IDLE
ACO
ACME
AINBG
COMP
ACLK
ACTEN
PRIVATE_SIGNAL1
ADCBGEN
ADCEN
AMPEN
DAC_9
DAC_8
DAC_7
DAC_6
DAC_5
DAC_4
DAC_3
DAC_2
DAC_1
DAC_0
EXTCH
GNDEN
HOLD
IREFEN
MUXEN_7
MUXEN_6
MUXEN_5
MUXEN_4
MUXEN_3
MUXEN_2
MUXEN_1
MUXEN_0
NEGSEL_2
NEGSEL_1
(1)
Module
Comparator
ADC
8285B–AVR–03/11