Datasheet

R01DS0052EJ0140 Rev.1.40 Page 9 of 150
2014.07.16
RX62N Group, RX621 Group 1. Overview
1.3 Block Diagram
Figure 1.2 shows a block diagram.
Figure 1.2 Block Diagram
Instruction bus
External bus
Port 0
Port 1
Port 2
Port 4
Port 5
Port 6
Port 7
Port 8
Port 9
Port A
Port B
Port C
Port D
Port E
Clock
generation
circuit
10-bit A/D converter × 4 channels (unit 1)
10-bit A/D converter × 4 channels (unit 0)
12-bit A/D converter × 8 channels
TMR × 2 channels (unit 1)
TMR × 2 channels (unit 0)
MTU × 6 channels (unit 1)
MTU × 6 channels (unit 0)
PPG (unit 1)
PPG (unit 0)
10-bit D/A converter × 2 channels
CMT × 2 channels (unit 1)
SCI × 6ch
WDT
RIIC × 2 channels
Data flash
CRC
CMT × 2 channels (unit 0)
Port F
Port G
IWDT
USB (up to 2 ports)
RSPI (unit 1)
CAN
RTC
RSPI (unit 0)
POE
Note1. The installation of the EXDMAC, EtherC, EDMAC, USB, CAN module, POE, and ports 0 to G is different
depending on the product group and package.
Note2. The number of RIIC units and 10-bit D/A converter channels that are incorporated differs with the package.
*
1
*
1
*
1
Port 3
*
1
Operand bus
Internal main bus 2
ETHERC
EDMAC
ICU
DTC
DMACA
*
1
*
1
EXDMAC
*
1
Internal peripheral bus 1 to 6
BSC
Internal main bus 1
ETHERC: Ethernet controller
EDMAC: DMA controller for Ethernet controller
ICU: Interrupt control unit
DTC: Data transfer controller
DMACA: DMA controller
EXDMAC: EXDMA controller
BSC: Bus controller
WDT: Watchdog timer
IWDT: Independent watchdog timer
CRC: CRC (Cyclic Redundancy Check) calculator
MPU: Memory-protection unit
SCI: Serial communications interfaces
USB: USB 2.0 host/function module
RSPI: Serial peripheral interfaces
CAN: CAN module
MTU: Multi-function timer pulse unit
POE: Port output enable
PPG: Programmable pulse generator
TMR: 8-bit timer
CMT: Compare match timer
RTC: Realtime clock
RIIC: I
2
C bus interface
RX CPU
MPU
RAM
ROM
*
2
*
2