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SmartRover Hexa V2.0회로.2015.05.23
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오로카 3차 세미나 발표 자료(회로부분)
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SmartRover Hexa V2.0회로.2015.05.23
1.
오로카
2.
오로카 STM32F405RGT ARM® 32-bit Cortex®-M4
CPU with FPU 168MHz (210 DMIPS) 1M flash 192+4KB SDRAM 24AA64 8KB EEPROM I2C AT45DB64 8MB Flash SPI BQ24075 전원/충전 RFX2401C RF 증폭 MPU9250 9Axis MEMS LPS25H Pressure Sensor I2C NCP702 3V 전원 LP2985 3V 전원 LiPo Battery 3.8V~4.2V nRF51822 ARM® 32-bit Cortex®-M0 CPU 32MHz 256KB/128KB flash 16KB SDRAM Bluetooth & 2.4GHz RF® I2C USB 5V UART, GPIOs
3.
오로카 1 2 3 4 5
6 7 8 9 10 11 12 13 14 LEFT VBAT 5V UART2 TX RX SPI MOSI MISO SCK PWM1 PWM5 PWM6 PWM2 GPIO1 GPIO2 WKUP 3V UART1 RX TX N-GPIO1 N-GPIO2 PWM4 PWM3 S-CS0 GND S-CS3 S-CS2 I2C SDA SCL S-CS1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 RIGHT PA2 PA3 PA7 PA6 PA5 PA1 PA14 PB10 PB11 PA9 PB12 P0.08 P0.12 P0.11 PB9 PA15 PC12 PB8 PB5 PB7 PB6 PB4 PC11 PC10 Power MCU Connection nRF51822 GPIOs Communication PWM STM32F4 GPIOs
4.
오로카 1. Chip Manual 2.
Google, 전문 Site 3. Utility (예 : STM32CubeMX) 4. 주변 지인 ?
5.
오로카 1. 실무 현장에
대해 1. S/W & H/W 2. 회로 디자인 & Artwork 2. SmartRover Hexa 1. 4층 Build up 2. 54종 부품 3. Artwork 시 중점 사항
6.
오로카 1. 부품 배치 1.
모터 커넥터, USB, 안테나, 확장 커넥터 2. MPU9250 3. LPS25H 2. CAP 배치 3. Copper 1. 보드는 잡음의 원인 & 잡음에 취약 2. GND는 바다 (전위차 無) 3. 섬을 없애라 4. Artwork은 꼼꼼함의 극치
7.
오로카 MCU의 전원은 항시
CAP을 통하고 들어갈 것
8.
오로카 1. 전위 차를
없애기 위해 Copper의 각 층에 많은 수의 VIA 연결
9.
오로카 2. 4층 이상
PCB인 경우 선호선은 모두 안쪽으로~~ 3. Copper 시 생기는 섬은 VIA를 하거나 주변 Copper에 연결 주변 부품을 이동하여 Copper연결Copper 시 생긴 섬(초기)
10.
오로카
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