Renesas RAA306012 User Manual page 71

RAA306012 RSSK User's Manual
4.3.2.3 Hall Input
The Evaluation Board has a Hall sensor signal input connector (CN_HALL) with 3.3[V] or 5[V] pull-up
resistors. The Hall sensor of the attached motor can be connected to the Hall sensor signal input connector
(CN_HALL). Hall sensor signals are input to the MCU through RC filters and RAA306012.
Table 4-3 Hall Sensor Connector (CN_HALL) Pin Assignment
Terminal
Connector
No.
CN_HALL
1
2
3
4
5
6
4.3.2.4 Bus Voltage Detection
The Evaluation Board has a voltage divider circuit to input the bus voltage to the A/D converter input port of
the MCU. The relation between the bus voltage and detection voltage is expressed by EQ 4-3.
Vout [ ���� ] =
( 470 × 10
EQ 4-3
R12UZ0128EJ0100 Rev.1.00
Nov 1, 2023
Terminal
Connection
Function
Terminal
(RAA306012)
NC NC
GND CNA25/CNA26
HW (DA3P) CNB14 (CMP3O)
HV (DA2P) CNB15 (CMP2O)
HU (DA3N) CNB16 (CMP1O)
VDD CNA27/CNA28
20 × 10
3
)
+ 20 × 10
3 3
470[kΩ]
Vin
20[kΩ] 0.1[µF]
Vin : Bus voltage
Vout : Voltage applied to A/D converter input port of the MCU
Figure 4-11 Bus Voltage Detection Circuit
RL78/G1F
Port
NC
VSS/EVSS
P53/INTP2
P54/INTP3
P55/INTP4
VDD/EVDD
× Vin [ ���� ]
V
BUS
Vout
4. Peripheral Circuits
RX13T
Port
NC
VSS/AVSS
P22/IRQ2
P23/IRQ4
P24/IRQ3
VCC/AVCC
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