RZ/A2M CPU Board RTK7921053C00000BE
2. Function specifications
R20UT4397EJ0100 Rev.1.00
2-14
2018.10.11
Table 2.2.13 List of Selections of RZ/A2M Pin Functions (13)
Pin
Pin Name
Pin Function
Description
J2 Pin
Note
AA11 DP0
Connected to the USB connector
(CN3)
―
AA12 USBAPVcc0
AA13 RREF0
Connected to the GND through a
resistor
― 2.2kΩ±1%
AA14 USBVss
AA15 DP1
Used on the SUB board
96
AA16 PVcc
AA17 PC_5 / VBUSEN1 / FRE /
ET1_RXDV / SPDIF_OUT /
LCD0_TCON2 / IRQ0
VBUSEN1
Used on the SUB board
8
AA18 XTAL
Connected to the system clock
oscillator (X1)
― 24MHz
AA19 PC_4 / OTG_ID1 / FALE /
ET1_TXER / SPDIF_IN /
LCD0_TCON3 / IRQ1
LCD0_TCON3
Used on the SUB board
20
AA20 RTC_X2
Connected to the RTC oscillator (X3)
― 32.768kHz
AA21 P5_3 / AN003 / IRQ7 /
OTG_ID0
P5_3
Used on the SUB board
15
AA22 P5_5 / AN005 / IRQ1 /
SD1_WP
SD1_WP
Used on the SUB board
17
AB1 Vss
AB2 PG_5 / ET0_RXDV /
VIO_D14 / MOSI1 /
MTIOC4B / GTIOC1B
VIO_D14
Used on the SUB board
183
AB3 PG_7 / ET0_RXD3 /
VIO_D12 / SSL10 /
MTIOC4D / GTIOC2B
VIO_D12
Used on the SUB board
181
AB4 P1_3 / D10 / MTIOC8C /
IRQ3 / CAN0TX / OTG_ID1
D10
Used on the SUB board
189
AB5 P2_1 / D13 / GTIOC6B /
IRQ6 /
CAN1RX_DATARATE_EN /
OTG_ID0
D13
Used on the SUB board
193
AB6 P2_3 / D15 / GTIOC7B /
WDTOVF/PERROUT /
CAN1TX_DATARATE_EN /
OTG_EXICEN1
D15
Used on the SUB board
199
AB7 P4_1 / RxD0 / TXOUT0M /
SCI_RXD1 / SSIRxD1 /
MTIOC8B / IRQ1
TXOUT0M
Used on the SUB board
172
AB8 P4_5 / ET0_LINKSTA /
TXOUT2M / SCI_RXD0 /
RxD4 / DREQ0
TXOUT2M
Used on the SUB board
178
AB9 RES#
Connected to the reset input switch
(SW2)
7
AB10 USB_X1
Connected to the USB oscillator (X2)
― 48MHz
AB11 DM0
Connected to the USB connector
(CN3)
―
AB12 USBAPVcc1
AB13 RREF1
Connected to the GND through a
resistor
― 2.2kΩ±1%
[Note] : 3.3 power source, : 1.8V power source, : 1.2V power source, : 3.3V or 1.8V power source,
: GND displayed.