RZ/A2M CPU Board RTK7921053C00000BE
2. Function specifications
R20UT4397EJ0100 Rev.1.00
2-2
2018.10.11
2.2
CPU
2.2.1
Overview of RZ/A2M
RTK7921053C00000BE contains a 32 bit RISC microcomputer RZ/A2M that runs in synchronization with the CPU
clock (max. 528 MHz).
2.2.2
List of RZ/A2M Pin Functions
Table 2.2.1 to Table 2.2.14 list RZ/A2M pin functions used in RTK7921053C00000BE.
Table 2.2.1
List of Selections of RZ/A2M Pin Functions (1)
U1 Pin
Pin Name
Pin Function
Description
J2 Pin
Note
A1 Vcc
A2 QSPI1_IO3
Connected to the serial flash memory (U2)
―
A3 QSPI1_SPCLK
Connected to the serial flash memory (U2)
―
A4 RPC_WP#
Open
―
A5 QSPI0_IO3
Connected to the serial flash memory (U2)
―
A6 PVcc_SPI
3.3V
JP1: 1-2
A7 Vss
A8 PVcc
A9 PF_4 / RxD2 /
DV0_DATA19 /
LCD0_DATA4 / MTIOC6A /
SSIBCK0 / IRQ1
DV0_DATA19
Used on the SUB board
113
LCD0_DATA4
A10 PE_6 / ET0_MDIO /
VIO_D2 / SSIRxD0 /
MTIOC0D / CC2_RD1
ET0_MDIO
Used on the SUB board
107
VIO_D2
A11 PL_2 / MD_BOOT2 / IRQ6
MD_BOOT2
Connected to the DIP switch (SW1)
― PD_0: High
SW1-3
IRQ6
Connected to the CC logic controller for
USB (U7)
PD_0: Low
A12 PE_5 / ET0_MDC /
VIO_D3 / SSITxD0 /
MTIOC0C / CC1_RD1
ET0_MDC
Used on the SUB board
103
VIO_D3
A13 P8_4 / A4 / DRP20 /
DV0_DATA13 / SSL00 /
SSIRxD3
A4
Used on the SUB board
101
DRP20
SSL00
A14 P8_6 / A6 / DRP18 /
DV0_DATA11 / MOSI0 /
SSIFS3
A6
Used on the SUB board
95
DRP18
MOSI0
A15 PE_4 /
ET0_CRS/RMII0_CRSDV /
VIO_D4 / SSIFS0 /
MTIOC0B
ET0_CRS/RMII0_CRS
DV
Used on the SUB board
91
VIO_D4
A16 P9_1 / A9 / DRP15 /
DV0_DATA8 / RxD4 /
SSIFS2
A9
Used on the SUB board
83
DRP15
RxD4
A17 PVcc
A18 Vss
[Note] : 3.3V power source, : 1.8V power source, : 1.2V power source, : 3.3V or 1.8V power source,
: GND displayed.