RZ/A2M SUB Board RTK79210XXB00000BE
2. Function specifications
R20UT4398EJ0100 Rev.1.00
2-16
2018.10.11
Table 2.2.15
List of RZ/A2M Pin Function Selections Used on the RTK79210XXB00000BE (15)
Pin
Pin Name
Pin Function
Description
CN1
Pin
Comments
AA17
PC_5 / VBUSEN1 / FRE /
ET1_RXDV / SPDIF_OUT /
LCD0_TCON2 / IRQ0
VBUSEN1
Connects to USB Mini-B port (CN13)
8
AA18
XTAL
Connects to system clock oscillator
(X1 on the CPU board)
―
24MHz
AA19
PC_4 / OTG_ID1 / FALE /
ET1_TXER / SPDIF_IN /
LCD0_TCON3 / IRQ1
LCD0_TCON3
Connects to digital image input/output
connector (CN15)
20
AA20
RTC_X2
Connects to RTC oscillator (X3 on the
CPU board)
―
32.768kHz
AA21
P5_3 / AN003 / IRQ7 /
OTG_ID0
P5_3
Connects to DIP switch (SW6)
15
SW6-9
AA22
P5_5 / AN005 / IRQ1 /
SD1_WP
SD1_WP
Connects to SD card slot (CN10)
17
AB1
Vss
AB2
PG_5 / ET0_RXDV /
VIO_D14 / MOSI1 /
MTIOC4B / GTIOC1B
VIO_D14
Connects to CMOS camera connector
(CN17)
183
AB3
PG_7 / ET0_RXD3 /
VIO_D12 / SSL10 /
MTIOC4D / GTIOC2B
VIO_D12
Connects to CMOS camera connector
(CN17)
181
AB4
P1_3 / D10 / MTIOC8C /
IRQ3 / CAN0TX / OTG_ID1
D10
Connects to SDRAM (U3)
189
SW6-1
:
ON
AB5
P2_1 / D13 / GTIOC6B /
IRQ6 /
CAN1RX_DATARATE_EN /
OTG_ID0
D13
Connects to SDRAM (U3)
193
AB6
P2_3 / D15 / GTIOC7B /
WDTOVF/PERROUT /
CAN1TX_DATARATE_EN /
OTG_EXICEN1
D15
Connects to SDRAM (U3)
199
AB7
P4_1 / RxD0 / TXOUT0M /
SCI_RXD1 / SSIRxD1 /
MTIOC8B / IRQ1
TXOUT0M
Connects to LVDS connector (CN14)
172
AB8
P4_5 / ET0_LINKSTA /
TXOUT2M / SCI_RXD0 /
RxD4 / DREQ0
TXOUT2M
Connects to LVDS connector (CN14)
178
AB9
RES#
Connects to Reset input switch (SW2
on the CPU board)
7
AB10
USB_X1
Connects to USB oscillator (X2 on the
CPU board)
―
48MHz
AB11
DM0
Connects to USB connector (CN3 on
the CPU board)
―
AB12
USBAPVcc1
AB13
RREF1
Connects to GND through a resistor
―
2.2k
Ω±
1%
AB14
USBVss
AB15
DM1
Connects to USB Type-A port (CN12)
and USB Mini-B port (CN13)
98
AB16
PVcc
[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.