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Overview of the RX62N Group and RX621 Group

The RX62N Group is built around the RX core and is equipped with 1 channel of EtherC x 2 channels(max) of USB 2.0 Full-Speed (Host, Function and OTG) and 1 channel of CAN (optional) as a communications interface. The products are designed to not put a restriction on applications based on their communication method; add-ons are used to achieve different communication methods. They are also equipped with a rich set of system fail-safe functions such as power-on reset (POR), low voltage detection (LVD), and an independent watchdog timer.

The RX621 Group is built around the RX core and is equipped with 2 channels (max) of USB 2.0 full-speed (Host, Function and OTG) and 1 channel of CAN as a communications interface. The products are designed to not put a restriction on applications based on their communication method; add-ons are used to achieve different communication methods. They are also equipped with a rich set of system fail-safe functions such as power-on reset (POR), low voltage detection (LVD), and an independent watchdog timer.

Memory vs. Package Lineup

RX621 Group and RX62N Group Memory vs. Package Lineup

RX62N, RX621 Group Block Diagram

RX621, RX62N Group Block Diagram

RX62N Group Specifications

Item RX62N Group
CPU core RX CPU
  • General registers: 32-bit x 16
  • Multiplier: 32-bit multiplier
  • Divider: Yes
  • Multiply-accumulator: Yes (two types: memory-to-memory operations and register-to-register operations)
  • Memory-protection unit (MPU)
Maximum operating frequency 100MHz
Power supply voltage 2.7 to 3.6V
Floating-point processing unit Single-precision floating-point processing unit
(Supports add/subtract/compare/multiply/divide and other instructions)
Flash ROM (for program storage) Max. 512KB
Flash ROM (for data storage) 32KB
RAM Max. 96KB
On-chip peripheral functions
  • Direct memory access controller (DMAC) x 4 channels
  • Data transfer controller (DTC)
  • Direct memory access controller designed exclusively (EXDMAC)
    x 2 channels (Over 144-pin PKG Only)
  • 16-bit multifunction timer pulse unit (MTU2) x 12 channels
  • Port output enable
  • 16-bit compare match timer x 4 channels
  • 8-bit timer (TMR) x 4 channels
  • 4-bit Programmable pulse generator (PPG) x 2 channels (max)
  • 14-bit Independent watchdog timer (IWDT)
  • 8-bit Watchdog timer (WDT)
  • Realtime clock (RTC)
  • Serial communication interface (SCI) x 6 channels
  • I2C bus interface:Except 100-pin [2 channels], 100-pin [1channel]
  • Serial peripheral interface (RSPI) x 2 channels
  • SDRAM interface (max. 32-bit width;Over 144-pin PKG Only)
  • A/D converter (10-bit) x 8 channels [4 channels x 2 units] or (12-bit) x 8 channels [8 channels x 1 unit] (12-bit and 10-bit can not use at the same time.)
  • D/A converter (10-bit): Except 100-pin [2 channels], 100-pin [1channel]
  • USB2.0FullSpeed: 176-pin [2 channels, H/F/OTG], Except 176-pin [1channel, H/F/OTG]
  • CAN x 1 channel
  • EtherC with dedicated DMAC x 1 channel
  • CRC calculator
  • Low-speed on-chip oscillator (OCO)
  • Power-on reset circuit (POR)
  • Voltage detection circuit (LVD)
On-chip debugging function Yes (with trace function)
Low power consumption modes 4 modes
  • Sleep mode
  • All-module clock stop mode
  • Software standby mode
  • Deep software standby mode
Packages PLQP0100KB-A (100-pin LFQFP, 14 x 14mm 0.5mm pitch)
PLQP0144KA-A (144-pin LFQFP, 20 x 20mm 0.5mm pitch)
PLBG0176GA-A (176-pin LFBGA, 13 x 13mm 0.8mm pitch)
PTLG0145JB-A (145-pin TFLGA, 9 x 9mm 0.65mm pitch)

RX621 Group Specifications

Item RX621 Group
CPU core RX CPU
  • General registers: 32-bit x 16
  • Multiplier: 32-bit multiplier
  • Divider: Yes
  • Multiply-accumulator: Yes (two types: memory-to-memory operations and register-to-register operations)
  • Memory-protection unit (MPU)
Maximum operating frequency 100MHz
Power supply voltage 2.7 to 3.6V
Floating-point processing unit Single-precision floating-point processing unit
(Supports add/subtract/compare/multiply/divide and other instructions)
Flash ROM (for program storage) Max. 512KB
Flash ROM (for data storage) 32KB
RAM Max. 96KB
On-chip peripheral functions
  • Direct memory access controller (DMAC) x 4 channels
  • Data transfer controller (DTC)
  • Direct memory access controller designed exclusively (EXDMAC)
    x 2 channels (Over 144-pin PKG Only)
  • 16-bit multifunction timer pulse unit (MTU2) x 12 channels
  • Port output enable
  • 16-bit compare match timer x 4 channels
  • 8-bit timer (TMR) x 4 channels
  • 4-bit Programmable pulse generator (PPG) x 2 channels (max)
  • 14-bit Independent watchdog timer (IWDT)
  • 8-bit Watchdog timer (WDT)
  • Realtime clock (RTC)
  • Serial communication interface (SCI) x 6 channels
  • I2C bus interface:Except 100-pin [2 channels], 100-pin [1channel]
  • Serial peripheral interface (RSPI) x 2 channels
  • SDRAM interface (max. 32-bit width; Over 144-pin PKG Only)
  • A/D converter (10-bit) x 8 channels [4 channels x 2 units] or (12-bit) x 8 channels [8 channels x 1 unit] (12-bit and 10-bit can not use at the same time.)
  • D/A converter (10-bit): Except 100-pin [2 channels], 100-pin [1channel]
  • USB2.0FullSpeed: 176-pin [2 channels, H/F/OTG], Except 176-pin [1channel, H/F/OTG]
  • CAN x 1 channel
  • CRC calculator
  • Low-speed on-chip oscillator (OCO)
  • Power-on reset circuit (POR)
  • Voltage detection circuit (LVD)
On-chip debugging function Yes (with trace function)
Low power consumption modes 4 modes
  • Sleep mode
  • All-module clock stop mode
  • Software standby mode
  • Deep software standby mode
Packages PLQP0100KB-A　（100－pin LFQFP, 14 x 14mm 0.5mm pitch)
PLQP0144KA-A　（144-pin LFQFP, 20 x 20mm 0.5mm pitch)
PLBG0176GA-A　（176-pin LFBGA, 13 x 13mm 0.8mm pitch)
PTLG0085JA-A　（85-pin TFLGA, 7 x 7mm 0.65mm pitch)
PTLG0145JB-A　（145-pin TFLGA, 9 x 9mm 0.65mm pitch)

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