Renesas RZ/A2M - Page 38

RZ/A2M SUB Board RTK79210XXB00000BE 2. Function specifications
R20UT4398EJ0100 Rev.1.00 2-20
2018.10.11
Figure 2.3.1 SDRAM Block Diagram
Table 2.3.2 Function Setting Table of DIP Switch SW6-1 for System Setting
DIP
Switch
Function
ON
OFF
SW6-1
P9_[7 :0] and P8_[7 :1], P2_2, P2_0, P1_3,
P1_[1 :0], P0_[6 :0], P6_7, P6_5, P7_[1 :0], P7[5 :3]
are used as SDRAM control pins.
P9_[7 :0] and P8_[7 :1], P2_2, P2_0, P1_3, P1_[1 :0],
P0_[6 :0], P6_7, P6_5, P7_[1 :0], P7[5 :3] are used
as DRP, audio, UART and/or USB interface pins
(default settings).
[Note] indicates setting functions.
Table 2.3.3 Clock Pulse Oscillator Settings
Target devices
Clock pulse oscillator settings
IS42S16320F-7TL
■ CKIO selection register (CKIOSEL)
・Initial value: H'0001
・Recommended setting value: H'0000
‐CKIO output clock selection:
CKIOSEL[1:0] = B'00; Bφ clock output
DQML
39
CKIO
A13
A14
D7
3.3V
CS3#
D[15:0]
A[13:1]
A[15:14]
CKIO
DQMU
RD/WR#
CS3#
RAS#
CAS#
A15
D[6:0]
RAS#
CAS#
CKE
DQML
DQMU
RD/WR#
CKE
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
A10
A11
A12
A7
A8
A9
A4
A5
A6
D15
A[3:1]
D12
D13
D14
D11
D8
D9
D10
RZ/A2M (U1)
P1_4 / D11
P1_3 / D10
P1_1 / D8
P1_2 / D9
P1_0 / D7
P2_3 / D15
P2_2 / D14
P2_1 / D13
P2_0 / D12
P8_[3:1] / A[3:1] / DRP[21:23]
P8_4 / A4 / DRP20 / SSL00
P8_5 / A5 / DRP19 / MISO0
P8_6 / A6 / DRP18 / MOSI0
P8_7 / A7 / DRP17 / RSPCK0
P9_0 / A8 / DRP16 / TxD4
P9_1 / A9 / DRP15 / RxD4
P9_2 / A10 / DRP14
P9_3 / A11 / DRP13 / SSIRxD0
P9_4 / A12 / DRP12 / SSITxD0
P9_5 / A13 / DRP11 / SSIFS0
P9_6 / A14 / DRP10 / SSIBCK0
P9_7 / A15 / DRP09
P0_[6:0] / D[6:0] / DRP[30:24]
CKIO
P6_5 / DRP01 / CS3
P6_7 / WE0/DQML / DRP03
P7_0 / WE1/DQMU / DRP04 /
SCK1
P7_1 / RD/WR / DRP05 / RxD1
P7_3 / RAS / DRP06 / TxD1
P7_4 / CAS / DRP07 / RTS1
P7_5 / CKE / DRP08 / CTS1 /
OVRCUR1
SDRAM / Other
OE# S
A
B1
39
34
3.3V
DIP
SW6-1
ON
SDRAM（U30）
WE#
CLK
DQML
CS#
DQMH
D[15:0]
BA[1:0]
A[12:0]
RAS#
CAS#
CKE
D11
D13
D15
D9
CKIO
MUX×9
3.3V
Note: Red text indicates a function used.
：Indicates a function not implemented.
：Indicates a SUB board.
B2
34
To DRP I/F, Audio I/F, UART I/F, USB（ch1）
ON(L):A=B1, OFF(H):A=B2