Infineon CY9AF342LAPMC-GNE2

CY9A340NB Series are highly integrated 32-bit microcontrollers dedicated for embedded controllers with low-power consumption mode and competitive cost. These series are based on the ARM Cortex-M3 Processor with on-chip Flash memory and SRAM, and have peripheral functions such as various timers, ADCs, and Communication Interfaces (USB, UART, CSIO, I²C).

• 32-bit ARM Cortex-M3 Core
  • Processor version: r2p1
  • Up to 40 MHz Frequency Operation
  • Integrated Nested Vectored Interrupt Controller (NVIC): 1 NMI (non-maskable interrupt) and 48 peripheral interrupts and 16 priority levels
  • 24-bit System timer (Sys Tick): System timer for OS task management
• On-chip Memories
  • [Flash memory]
    • Dual Operation Flash memory has the upper bank and the lower bank. So, this series could implement erase, write and read operations for each bank simultaneously.
    • Main area: Up to 256 Kbytes (Up to 240 Kbytes upper bank + 16 Kbytes lower bank)
    • Work area: 32 Kbytes (lower bank)
    • Read cycle: 0 wait-cycle Security function for code protection
  • [SRAM]
    • This Series on-chip SRAM is composed of two independent SRAM (SRAM0, SRAM1). SRAM0 is connected to I-code bus and D-code bus of Cortex-M3 core. SRAM1 is connected to System bus.
    • SRAM0: Up to 16 Kbytes SRAM1: Up to 16 Kbytes
• External Bus Interface
  • Supports SRAM, NOR Flash memory device
  • Up to 8 chip selects
  • 8-/16-bit Data width
  • Up to 25-bit Address bit
  • Maximum area size: Up to 256 Mbytes
  • Supports Address/Data multiplex
  • Supports external RDY function
• USB Interface
  • [USB device]
    • USB2.0 Full-Speed supported Max 6 EndPoint supported
    • EndPoint 0 is control transfer
    • EndPoint 1, 2 can select Bulk-transfer, Interrupt-transfer or Isochronous-transfer
    • EndPoint 3 to 5 can select Bulk-transfer or Interrupt-transfer
    • EndPoint 1 to 5 is comprised of Double Buffers.
    • The size of each endpoint is according to the follows.
      • Endpoint 0, 2 to 5: 64 bytes
      • Endpoint 1: 256 bytes
  • [USB host]
    • USB2.0 Full/Low-speed supported
    • Bulk-transfer, interrupt-transfer and Isochronous-transfer support
    • Automatic detection of connected/disconnected USB Device
    • Automatic processing of the IN/OUT token handshake packet
    • Max 256-byte packet-length supported
    • Wake-up function supported
• Multi-function Serial Interface (Max 8 channels)
  • 4 channels with 16steps ×9-bit FIFO (ch.4 to ch.7), 4 channels without FIFO (ch.0 to ch.3)
  • Operation mode is selectable from the followings for each channel.
    • UART
    • CSIO
    • I2C
  • [UART]
    • Full-duplex double buffer
    • Selection with or without parity supported
    • Built-in dedicated baud rate generator
    • External clock available as a serial clock
    • Hardware Flow control: Automatically control the transmission by CTS/RTS (only ch.4)
    • Various error detection functions available (parity errors, framing errors, and overrun errors)
  • [CSIO]
    • Full-duplex double buffer
    • Built-in dedicated baud rate generator
    • Overrun error detection function available
  • [I2C]
    • Standard-mode (Max 100 kbps) / Fast-mode (Max 400 kbps) supported
• DMA Controller (8 channels)
  • The DMA Controller has an independent bus from the CPU, so CPU and DMA Controller can process simultaneously.
  • 8 independently configured and operated channels
  • Transfer can be started by software or request from the built-in peripherals
  • Transfer address area: 32-bit (4 Gbytes)
  • Transfer mode: Block transfer/Burst transfer/Demand transfer
  • Transfer data type: byte/half-word/word
  • Transfer block count: 1 to 16
  • Number of transfers: 1 to 65536
• A/D Converter (Max 24 channels)
  • [12-bit A/D Converter]
    • Successive Approximation type
    • Built-in 2 units
    • Conversion time: 2.0 μs to 3.6 V
    • Priority conversion available (priority at 2 levels)
    • Scanning conversion mode
    • Built-in FIFO for conversion data storage (for SCAN conversion: 16steps, for Priority conversion: 4steps)
• Base Timer (Max 8 channels)
  • Operation mode is selectable from the followings for each channel.
    • 16-bit PWM timer
    • 16-bit PPG timer
    • 16-/32-bit reload timer
    • 16-/32-bit PWC timer
• General-Purpose I/O Port
  • This series can use its pins as general-purpose I/O ports when they are not used for external bus or peripherals. Moreover, the port relocate function is built in. It can set which I/O port the peripheral function can be allocated to.
  • Capable of pull-up control per pin
  • Capable of reading pin level directly
  • Built-in the port relocate function
  • Up to 83 fast general-purpose I/O Ports@100 pin Package Some ports are 5V tolerant I/O.
• Dual Timer (32-/16-bit Down Counter)
  • The Dual Timer consists of two programmable 32-/16-bit down counters.
  • Operation mode is selectable from the followings for each channel.