ATMEGA88PA-CCU - 8KB Flash AVR MCU, 32-UFBGA | Microchip
部品番号: ATMEGA88PA-CCU ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.1 | $3.10 |
| 10 | $2.8 | $28.00 |
| 100 | $2.45 | $245.00 |
| 500 | $2.2 | $1,100.00 |
| 1,000 | $1.95 | $1,950.00 |
ATMEGA88PA-CCU 概要
A microcontroller (MCU) integrates a processor core, program memory, data memory, and peripherals onto a single silicon die, forming the smallest self-contained computing element in an embedded system hierarchy: 8-bit AVR core -> Atmel/Microchip ATmega family -> general-purpose microcontroller -> embedded processing IC. The AVR architecture uses a load/store Harvard design with 131 mostly single-cycle instructions and 32 general-purpose working registers.
Key features of the ATMEGA88PA-CCU include the picoPower technology set (idle, ADC noise reduction, power-save, power-down, and standby sleep modes), a 10-bit ADC with up to 8 multiplexed single-ended channels, two 8-bit timers and one 16-bit timer, a 6-channel PWM engine, a hardware USART, a two-wire serial interface (TWI/I2C-compatible), and an SPI serial port. The enhanced Flash supports read-while-write in-system self-programming, and in-circuit debugging/programming is available via the debugWIRE interface on the reset line.
The picoPower process and power management profile make the CCU variant attractive where board area is the constraint: the 4x4 mm UFBGA ball grid array frees layout area versus the 7x7 mm TQFP footprint of the AU/AT variants, at the cost of more demanding assembly and rework procedures.
Typical applications include battery-powered sensors and IoT nodes, hand-held instruments, consumer appliance control, and compact mixed-signal designs that need a small-footprint 8-bit MCU with ADC and serial interfaces.
When designing with this device, note that BGA packages require X-ray inspection capability and cannot be hand-reworked; ensure your assembly partner supports 0.5 mm-pitch or similar fine-pitch BGA processes and that the PCB stack-up supports via-in-pad or dog-bone fanout.
This page synthesizes distributor pricing context, drop-in alternative analysis, practical design notes, and package trade-off guidance not consolidated in the manufacturer datasheet.
ドロップイン代替品: ATMEGA88PA-CCU — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: ATMEGA88PA-CCU （同一形状・フットプリント） — 相違点: Working Registers, Mounting Type, Package, EEPROM, SRAM.
クイック比較ツール — 並列比較する代替部品を選択:
ATMEGA88PA-CCUR
✅ ドロップイン✓ 在庫あり
$1.08 / 個
データシートを見る →ATMEGA88PA-CCU 最大定格＆電気的特性
| Core Architecture | AVR 8-bit RISC |
| Flash Memory | 8 KB (4K x 16) ISP Flash |
| SRAM | 1 KB |
| EEPROM | 512 B |
| Maximum Clock Speed | 20 MHz |
| 電源電圧 | 1.8 V to 5.5 V |
| Number of I/O Lines | 23 |
| ADC Resolution | 10-bit |
| Timers | 2 x 8-bit, 1 x 16-bit |
| PWM Channels | 6 |
| Serial Interfaces | USART, SPI, TWI (I2C-compatible) |
| Working Registers | 32 x 8 general purpose |
| パッケージ | 32-UFBGA (4x4 mm) |
| 実装タイプ | Surface Mount |
| Series | AVR ATmega, picoPower |
| In-Circuit Programming | ICSP via debugWIRE on reset line |
ATMEGA88PA-CCU 32-ufbga (4x4 mm) ピン配置ガイド
ATMEGA88PA-CCU (32-ufbga (4x4 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: ATMEGA88PA-CCU.
詳細は データシート をご参照ください。
主な用途
ATMEGA88PA-CCU の用途: 6 件s: Battery-Powered Sensor Nodes, IoT Edge Nodes and Wireless Terminals, Consumer Appliance Control, Hand-Held Instruments and Meters, Motor Control and PWM Actuation, Legacy ATmega88 System Maintenance.
Battery-Powered Sensor Nodes
The ATMEGA88PA-CCU fits battery-powered sensor nodes because its picoPower technology provides power-down and power-save sleep modes, and the 1.8V to 5.5V supply range allows direct operation from a single lithium coin cell without a boost converter. The integrated 10-bit ADC samples sensor outputs directly, and the TWI and SPI interfaces connect low-power digital sensors such as accelerometers or temperature ICs. With the MCU sleeping in power-down and waking on pin-change interrupts, average system current can stay in the microamp region, maximizing battery life. The 4x4 mm UFBGA keeps the PCB small enough for compact wearable or asset-tag enclosures.
おすすめ
IoT Edge Nodes and Wireless Terminals
For IoT edge nodes, the ATMEGA88PA-CCU serves as the low-power host controlling a radio module over USART or SPI. Its 8 KB Flash comfortably holds a sensor-polling state machine plus a simple protocol stack, while 1 KB SRAM buffers packet payloads. The 20 MHz maximum clock provides headroom for 8-bit CRC and packet formatting, and hardware USART keeps bit-banging overhead off the CPU. picoPower sleep modes let the node duty-cycle the radio aggressively: sleep in power-down between reporting intervals and wake on timer or interrupt. The small UFBGA footprint suits dense multi-node gateway or tracker boards where every square millimeter counts.
おすすめ
Consumer Appliance Control
Appliance control boards benefit from the ATMEGA88PA-CCU's combination of low cost, 23 general-purpose I/O lines, and integrated peripherals. Two 8-bit timers and one 16-bit timer handle encoder inputs, keypad scanning, and AC zero-cross timing, while the 6-channel PWM output drives triac firing logic or DC motor speed control. The 10-bit ADC reads NTC thermistors and user potentiometers directly. The 512 B EEPROM stores calibration data and user settings across power cycles without external memory. The wide 1.8V to 5.5V supply range and picoPower modes support standby-power regulations for mains-powered appliances that must minimize off-state consumption.
おすすめ
Hand-Held Instruments and Meters
In hand-held instruments, the ATMEGA88PA-CCU combines measurement and user interface in one small die. The 10-bit ADC with 8 multiplexed channels digitizes up to eight sensor or divider inputs, while the internal bandgap reference enables ratiometric measurement. The TWI interface drives LCD or OLED display controllers, and the USART links to a PC or printer for data logging. The 4x4 mm UFBGA conserves PCB area inside compact probe housings, and picoPower power-down modes extend coin-cell runtime between measurements. The 20 MHz clock gives adequate margin for numeric conversion and averaging algorithms executed in fixed-point arithmetic on the AVR core.
おすすめ
Motor Control and PWM Actuation
The ATMEGA88PA-CCU provides a 6-channel PWM engine with output-compare hardware that generates center-aligned or fast PWM for brushed-DC motor speed control, LED dimming, and servo actuation. The 16-bit timer captures encoder edges or measures period with high resolution, while the 10-bit ADC reads current-sense shunts for simple overcurrent detection loops. Hardware output-compare operation keeps PWM jitter-free even with the CPU servicing ADC results. The 1.8V to 5.5V supply range permits direct interfacing with 3.3V gate drivers or 5V logic MOSFET drivers, and the small UFBGA package lets the controller sit close to the power stage on dense actuator boards.
おすすめ
Legacy ATmega88 System Maintenance
Designers maintaining legacy ATmega88-based products can use the ATMEGA88PA-CCU as a current-production refresh in compact 32-UFBGA footprints. The ATmega88PA is a direct, pin-compatible, functionally enhanced replacement for the original ATmega88 within the same package family, per Atmel/Microchip documentation, so existing firmware porting effort is minimal. For boards already using the 32-UFBGA land pattern, the CCU variant preserves the footprint while gaining the picoPower process improvements of the PA generation. For new service boards where rework matters, the ATMEGA88A-AU TQFP is the easier-to-source functional sibling, with migration guidance available in Microchip application note AVR094.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: ATMEGA88PA-CCU — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | ATMEGA88PA-CCUR | ATMEGA88PA-AUR |
|---|---|---|---|
| Package | 32-UFBGA (4x4 mm) | 32-UFBGA (4x4 mm) - same | 32-TQFP (7x7 mm) - different footprint, same die |
| Brand | Microchip Technology (Atmel) | Microchip Technology | Microchip Technology |
| Flash Memory | 8 KB | 8 KB | 8 KB |
| SRAM | 1 KB | 1 KB | 1 KB |
| EEPROM | 512 B | 512 B | 512 B |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| I/O Lines | 23 | 23 | 23 |
| Drop-in Compatible | - | Yes - identical footprint | No - requires PCB respin |
主な差別化要因
- Smallest ATmega88PA footprint （vs ATMEGA88PA-AUR)
- picoPower generation silicon （vs ATMEGA88-20AU)
- Trade-off: assembly difficulty （vs ATMEGA88PA-AUR)
設計ノート
The 32-UFBGA (4x4 mm) package demands BGA-capable assembly: solder joints are hidden under the die, so X-ray or boundary-scan inspection is required for quality control, and rework needs a BGA rework station. Plan the fanout early - with 0.8 mm or finer ball pitch on a 4x4 mm body, use via-in-pad with filled vias or short dog-bone escapes, and confirm your fabricator supports the chosen HDI stack-up. If your contract manufacturer lacks BGA capability, select the 32-TQFP ATMEGA88PA-AUR instead.
Decouple VCC and AVCC independently with 100 nF ceramic capacitors placed as close to the ball fanout as possible, plus a bulk 4.7 uF to 10 uF capacitor near the supply entry. Connect AVCC to VCC through a low-pass LC filter when ADC accuracy matters, keeping analog routing away from the switching USART/PWM traces. In battery designs, exploit power-down sleep (watchdog or pin-change wake) rather than idle mode to minimize average current; the picoPower PA generation is optimized for this pattern.
Two common pitfalls with this part: (1) Enabling debugWIRE moves programming control to the reset line and disables normal SPI ICSP until debugWIRE is disabled from the debugger - leave the RESET header populated and confirm fuse settings before releasing the fixture. (2) The maximum safe clock scales with VCC; do not run a 20 MHz crystal at the 1.8V supply minimum, where the datasheet derates the upper frequency. Verify the speed-versus-voltage curve in the family datasheet before fixing the oscillator choice.
コンプライアンス情報
Retrieved web data does not explicitly state RoHS/REACH/lead-free status for this MPN; verify the compliance certificate on the official Microchip product page. The -CCU suffix conventionally denotes the halogen-free/lead-free BGA variant but this was not verified.