ATMEGA325A-MU Atmel, ATMEGA325A-MU Datasheet - Page 260

• 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

260
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/645
Table 24-6.
Bit Number
171
170
169
168
167
166
165
164
163
162
161
160
159
158
157
156
155
154
153
152
151
150
149
148
147
146
145
144
143
142
141
140
139
138
137
136
ATmega3250A/3250PA/6450A/6450P Boundary-scan Order, 100-pin
Signal Name
PB0.Control
PB0.Pull-up_Enable
PB1.Data
PB1.Control
PB1.Pull-up_Enable
PB2.Data
PB2.Control
PB2.Pull-up_Enable
PB3.Data
PB3.Control
PB3.Pull-up_Enable
PB4.Data
PB4.Control
PB4.Pull-up_Enable
PB5.Data
PB5.Control
PB5.Pull-up_Enable
PB6.Data
PB6.Control
PB6.Pull-up_Enable
PB7.Data
PB7.Control
PB7.Pull-up_Enable
PG3.Data
PG3.Control
PG3.Pull-up_Enable
PG4.Data
PG4.Control
PG4.Pull-up_Enable
PG5
RSTT
RSTHV
EXTCLKEN
OSCON
RCOSCEN
OSC32EN
Module
Port B
Port G
(Observe Only)
Reset Logic
(Observe-only)
Enable signals for main Clock/Oscillators
8285B–AVR–03/11