ATMEGA329P-20MU Atmel, ATMEGA329P-20MU Datasheet - Page 270

• Manufacturer Part Number: ATMEGA329P-20MU
• Description: IC MCU 32K 4X25 LCD CTRL 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA329P-20MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: SPI, USART, USI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 54
• 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: 10 bit, 8 Channel
• For Use With: ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ATMEGA329P-16MU; ATMEGA329P-16MU

8021G–AVR–03/11
Table 25-6.
Bit Number
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
ATmega329P Boundary-scan Order, 64-pin (Continued)
Signal Name
EXTCLKEN
OSCON
RCOSCEN
OSC32EN
EXTCLK (XTAL1)
OSCCK
RCCK
OSC32CK
PD0.Data
PD0.Control
PD0.Pull-up_Enable
PD1.Data
PD1.Control
PD1.Pull-up_Enable
PD2.Data
PD2.Control
PD2.Pull-up_Enable
PD3.Data
PD3.Control
PD3.Pull-up_Enable
PD4.Data
PD4.Control
PD4.Pull-up_Enable
PD5.Data
PD5.Control
PD5.Pull-up_Enable
PD6.Data
PD6.Control
PD6.Pull-up_Enable
PD7.Data
PD7.Control
PD7.Pull-up_Enable
PG0.Data
PG0.Control
PG0.Pull-up_Enable
PG1.Data
Module
Enable signals for main Clock/Oscillators
Clock input and Oscillators for the main clock
(Observe-only)
Port D
Port G
ATmega329P/3290P
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