RZ/A2M SUB Board RTK79210XXB00000BE
2. Function specifications
R20UT4398EJ0100 Rev.1.00
2-7
2018.10.11
Table 2.2.6
List of RZ/A2M Pin Function Selections Used on the RTK79210XXB00000BE (6)
Pin
Pin Name
Pin Function
Description
CN1
Pin
Comments
D20
PD_6 / RIIC3SCL / IRQ6
RIIC3SCL
Connects to CMOS camera connector
(CN17)
60
Connects to EEPROM (U32)
Connects to digital image input/output
connector (CN15)
D21
PD_4 / RIIC2SCL / IRQ4
RIIC2SCL
Connects to MIPI CSI-2 connector
(CN2 and J1 on the CPU board)
―
Connects to USB CC logic controller
(U7 on the CPU board)
D22
PD_1 / RIIC0SDA / IRQ1 /
MTCLKB / GTETRGB
PD_1
Controls voltage supplied to
PVcc_SD0
―
0
:
1.8V
1
:
3.3V
E1
Vss
E2
PH_3 / HM_RSTO# / RTS2 /
GTIOC6A / MTIOC2A /
SD0_CD / IRQ3
HM_RSTO#
Connects to HyperMCP (U3 on the
CPU board)
―
E3
PK_3 /
ET1_RXCLK/REF50CK1 /
NAF6 / CC2_RD0 /
CAN0RX_DATARATE_EN /
MOSI0
ET1_RXCLK/REF50CK1
Connects to Ethernet PHY2 (U28)
132
SW6-5
:
ON
NAF6
Connects to NAND flash memory
(U31)
Not used
SW6-5
:
OFF
E4
PK_2 /
ET1_TXD1/RMII1_TXD1 /
NAF5 / VBUSEN1 /
CAN0RX / RSPCK0 / IRQ5
ET1_TXD1/RMII1_TXD1
Connects to Ethernet PHY2 (U28)
133
SW6-5
:
ON
NAF5
Connects to NAND flash memory
(U31)
Not used
SW6-5
:
OFF
E19
PD_5 / RIIC2SDA / IRQ5
RIIC2SDA
Connects to MIPI CSI-2 connector
(CN2 and J1 on the CPU board)
―
Connects to USB CC logic controller
(U7 on the CPU board)
E20
PD_2 / RIIC1SCL / IRQ2 /
MTCLKC / GTETRGC
PD_2
Connects to MIPI CSI-2 connector
(CN2 and J1 on the CPU board)
―
E21
JP0_3 / TCK
TCK
Connects to UDI connector (CN5 on
the CPU board)
―
E22
JP0_0 / TDI
TDI
Connects to UDI connector (CN5 on
the CPU board)
―
F1
PVcc_HO
1.8V
JP2
:
2-3
F2
HM_CS0#/OM_CS0#
HM_CS0#
Connects to HyperMCP (U3 on the
CPU board)
―
F3
HM_CK/OM_SCLK
HM_CK
Connects to HyperMCP (U3 on the
CPU board)
―
F4
PF_7 / GTETRGD /
DV0_DATA23 /
LCD0_DATA0 / MTCLKD /
IRQ1
DV0_DATA23
Connects to digital image input/output
connector (CN15)
136
LCD0_DATA0
F19
PD_0 / RIIC0SCL / IRQ0 /
MTCLKA / GTETRGA
PD_0
Connection control for PL_[3:0]
―
0
:
IRQ input
1
:
SW1
F20
JP0_4 / TRST#
TRST#
Connects to UDI connector (CN5 on
the CPU board)
―
[Note] : 3.3V power source, : 1.8V power source, : 1.2V power source, : 3.3V or 1.8V power source,
: GND
Red text
CPU board setting display.