R01UH0823EJ0100 Rev.1.00
Page 56 of 1823
Jul 31, 2019
RX23W Group
1. Overview
Table 1.2
Comparison of Functions for Different Packages
Module/Functions
RX23W Group
85 Pins
56 Pins
External bus
External bus
Not supported
Interrupts
External interrupts
NMI, IRQ0, IRQ1, IRQ4 to IRQ7
DMA
DMA controller
4 channels (DMAC0 to DMAC3)
Data transfer controller
Available
Timers
16-bit timer pulse unit
6 channels (TPU0 to TPU5)
5 channels (TPU0 to TPU3, TPU5)
Multi-function timer pulse unit 2
5 channels (MTU0 to MTU4)
Port output enable 2
POE0#, POE1#, POE3#, POE8#
POE0#, POE8#
8-bit timer
2 channels × 2 units
Compare match timer
2 channels × 2 units
Low power timer
1 channel
Realtime clock
Available
Watchdog timer
Available
Independent watchdog timer
Available
Communication functions
Serial communications interfaces
(SCIg)
3 channels (SCI1, 5, 8)
IrDA interface
1 channel (SCI5)
Serial communications interfaces
(SCIh)
1 channel (SCI12)
Not supported
I
2
C bus interface
1 channel
CAN module
1 channel
Serial peripheral interface
1 channel
USB 2.0 host/function module
1 channel
Serial sound interface
1 channel
SD Host Interface
1 channel
Not supported
Bluetooth low energy
An RF transceiver and link layer compliant with Bluetooth 5.0 low
energy specification
Capacitive touch sensing unit
12 channels
9 channels
12-bit A/D converter (including high-precision channels)
14 channels (8 channels)
8 channels (4 channels)
Temperature sensor
Available
D/A converter
2 channels
1 channel
CRC calculator
Available
Event link controller
Available
Comparator B
2 channels
Packages
85-pin BGA
56-pin QFN