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PDF ATmegaS128 Data sheet ( Hoja de datos )
| Número de pieza | ATmegaS128 | |
| Descripción | Radiation-Tolerant 8-bit AVR Microcontroller | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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Radiation-Tolerant 8-bit AVR Microcontroller
ATmegaS128
DATASHEET PRELIMINARY SUMMARY
Introduction
The Atmel® ATmegaS128 is a low-power CMOS 8-bit microcontroller based
on the AVR® enhanced RISC architecture. By executing powerful instructions
in a single clock cycle, the ATmegaS128 achieves throughputs close to
1MIPS per MHz. This empowers system designer to optimize the device for
power consumption versus processing speed.
Features
• High-performance, Low-power Atmel AVR 8-bit Microcontroller
• Advanced RISC Architecture
– 133 Powerful Instructions - Most Single-clock Cycle Execution
– 32 × 8 General Purpose Working Registers + Peripheral Control
Registers
– Fully Static Operation
– Up to 8MIPS Throughput at 8MHz
– On-chip 2-cycle Multiplier
• High Endurance Non-volatile Memory segments
– 128KBytes of In-System Self-programmable Flash program
memory
– 4KBytes EEPROM
– 4KBytes Internal SRAM
– Write/Erase cycles: To Be Defined after characterization
– Data retention: To Be Defined after characterization
– Optional Boot Code Section with Independent Lock Bits
• In-System Programming by On-chip Boot Program
• True Read-While-Write Operation
– Up to 64 KBytes Optional External Memory Space (ATmega103
compatibility mode)
– Programming Lock for Software Security
– SPI Interface for In-System Programming
• JTAG (IEEE std. 1149.1 Compliant) Interface
– Boundary-scan Capabilities According to the JTAG Standard
Atmel-41036BS-Radiation-Tolerant 8-bit AVR Microcontroller_Datasheet_Preliminary Summary-10/2015
1 page  
2. Space Quality Grade
The ATmegaS128 has been developed and manufactured according to the most stringent requirements
of ISO-TS-16949 grade 1 and MIL-PRF-38535 International Standards and Atmel AEQA0236
specification. This datasheet provides limit values extracted from the results of extensive characterization
(versus temperature and voltage). The quality and reliability of the ATmegaS128 have been verified
during regular product qualification in compliance with MIL-PRF-38535 and MIL-STD-883 standards.
Atmel ATmegaS128 [DATASHEET]
Atmel-41036BS-Radiation-Tolerant 8-bit AVR Microcontroller_Datasheet_Preliminary Summary-10/2015
5
5 Page 
characteristics with both high sink and source capability. As inputs, Port F pins that are externally pulled
low will source current if the pull-up resistors are activated. The Port F pins are tri-stated when a reset
condition becomes active, even if the clock is not running. If the JTAG interface is enabled, the pull-up
resistors on pins PF7(TDI), PF5(TMS), and PF4(TCK) will be activated even if a Reset occurs.
The TDO pin is tri-stated unless TAP states that shift out data are entered.
Port F also serves the functions of the JTAG interface.
In ATmega103 compatibility mode, Port F is an input Port only.
6.1.9.
Port G (PG4:PG0)
Port G is a 5-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port G
output buffers have symmetrical drive characteristics with both high sink and source capability. As inputs,
Port G pins that are externally pulled low will source current if the pull-up resistors are activated. The Port
G pins are tristated when a reset condition becomes active, even if the clock is not running.
Port G also serves the functions of various special features.
The port G pins are tri-stated when a reset condition becomes active, even if the clock is not running.
In Atmel AVR ATmega103 compatibility mode, these pins only serves as strobes signals to the external
memory as well as input to the 32kHz Oscillator, and the pins are initialized to PG0 = 1, PG1 = 1, and
PG2 = 0 asynchronously when a reset condition becomes active, even if the clock is not running. PG3
and PG4 are oscillator pins.
6.1.10.
RESET
Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if
the clock is not running. The minimum pulse length is given in System and Reset Characteristics. Shorter
pulses are not guaranteed to generate a reset.
6.1.11. XTAL1
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
6.1.12. XTAL2
Output from the inverting Oscillator amplifier.
6.1.13.
AVCC
AVCC is the supply voltage pin for Port F and the A/D Converter. It should be externally connected to VCC,
even if the ADC is not used. If the ADC is used, it should be connected to VCC through a low-pass filter.
6.1.14. AREF
AREF is the analog reference pin for the A/D Converter.
6.1.15.
PEN
PEN is a programming enable pin for the SPI Serial Programming mode, and is internally pulled high. By
holding this pin low during a Power-on Reset, the device will enter the SPI Serial Programming mode.
PEN has no function during normal operation.
Atmel ATmegaS128 [DATASHEET]
Atmel-41036BS-Radiation-Tolerant 8-bit AVR Microcontroller_Datasheet_Preliminary Summary-10/2015
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11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ATmegaS128.PDF ] | |
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