ATMEGA48PA-MMH Atmel, ATMEGA48PA-MMH Datasheet - Page 303
ATMEGA48PA-MMH
Manufacturer Part Number
ATMEGA48PA-MMH
Description
MCU AVR 4KB FLASH IND 28QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA48A-PU.pdf
(566 pages)
2.ATMEGA48A-PU.pdf
(33 pages)
3.ATMEGA48PA-MMH.pdf
(26 pages)
Specifications of ATMEGA48PA-MMH
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 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
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Processor Series
ATMEGA48x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, TWI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Operating Supply Voltage
1.8 V to 5.5 V
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
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA48PA-MMH
Manufacturer:
AUO
Quantity:
29 208
Part Number:
ATMEGA48PA-MMH
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA48PA-MMHR
Manufacturer:
MAXIM
Quantity:
12 100
Part Number:
ATMEGA48PA-MMHR
Manufacturer:
ATMEL
Quantity:
20 000
- Current page: 303 of 566
- Download datasheet (23Mb)
8271C–AVR–08/10
Table 27-13. Pin Name Mapping
Table 27-14. Pin Values Used to Enter Programming Mode
Table 27-15. XA1 and XA0 Coding
Table 27-16. Command Byte Bit Coding
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
Signal Name in
Programming Mode
RDY/BSY
OE
WR
BS1
XA0
XA1
PAGEL
BS2
DATA
Command Byte
XA1
0
0
1
1
1000 0000
0100 0000
0010 0000
0001 0000
0001 0001
PAGEL
XA1
XA0
BS1
Pin
XA0
0
1
0
1
Action when XTAL1 is Pulsed
Load Flash or EEPROM Address (High or low address byte determined by BS1).
Load Data (High or Low data byte for Flash determined by BS1).
Load Command
No Action, Idle
Command Executed
Chip Erase
Write Fuse bits
Write Lock bits
Write Flash
Write EEPROM
{PC[1:0]: PB[5:0]}
Pin Name
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PC2
Symbol
I/O
I/O
O
I
I
I
I
I
I
I
Function
0: Device is busy programming, 1: Device is
ready for new command
Output Enable (Active low)
Write Pulse (Active low)
Byte Select 1 (“0” selects Low byte, “1” selects
High byte)
XTAL Action Bit 0
XTAL Action Bit 1
Program memory and EEPROM Data Page
Load
Byte Select 2 (“0” selects Low byte, “1” selects
2’nd High byte)
Bi-directional Data bus (Output when OE is low)
Value
0
0
0
0
303
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