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R01AN5644EJ0100 Rev.1.00
Page 12 of 62
Jan 22, 2021
Reference Guide for a 2-Axis Robot Arm with 2-Phase Stepping
Motors Incorporating Resolvers
RX24T, RX72M,
RAA3064002GFP/RAA3064003GFP
(1) Functional block diagram of 42-mm square board
Figure 1-4 shows a functional block diagram of the 42-mm square board.
Figure 1-4 Functional Block Diagram of 42-mm Square Board
(2) External appearance of 42-mm square board
Figure 1-5 shows the external appearance of the 42-mm square board.
Figure 1-5 External Appearance of 42-mm Square Board
RDC
RX24T
RDC IC
PreDrv
FET
DC/DC
LDO
(
VDD, AVDD
)
PRG
RM
W
R
es
ol
ver
VM/GN
D
A+
/A
-/B
-
/B
-
BPF
Excitation
RMW
communication
board
Conversion
board
E2
Lite
PC
Motor
Resolver
sensor
Over-
current
detector
5 V
42-mm square board
24-V DC power supply
Isense
IiOUT
Excitation, correction, COUT, SPI
Xtal
Driver
RS4
85
AVDD
VDD
VMOT
VMOT
AVDD
VDD
Gate driver with built-in FET
Sens
or
Conversion
board
42-mm square motor
Top
Bottom (view from solder side)
34.92
34.
92