Serial Peripheral Interface (SPI)
External Memory Interface
Pin No.
Function Name
I/O
Detail of Function
T18
R18
P17
P18
N15
N16
N17
N18
D[15:0]
I/O
Data bus for external memory and peripheral access.
M15
M16
M17
M18
L15
L16
L17
L18
E18
E17
E16
E15
D18
D17
D16
A[12:0]
O
Address bus for external memory and peripheral access.
C18
C17
C16
B18
A18
A17
F15
A13_RAS
O
SRAM: Address
output
SDRAM: Row access strobe
F16
A14_CAS
O
SRAM: Address
output
SDRAM: Column access strobe
F17
A15_BA0
O
SRAM: Address
output
SDRAM: Bank select
F18
A16_BA1
O
SRAM: Address
output
SDRAM: Bank select
G15
A17_DQM0
O
SRAM: Address
output
SDRAM: Data mask
G16
A18_DQM1
O
SRAM: Address
output
SDRAM: Data mask
H17
H16
H15
A[23:19]
O
Address bus for external memory and peripheral access.
G18
G17
Pin No.
Function Name
I/O
Detail of Function
D14
SPIDIN
I
SPI data receive.
D15
SPIDOUT
O
SPI data transmit.
B16
SPICLK
I/O
SPI clock.
Multi-master mode:
Chip-select input (used to detect bus conflict).
C15
SPINCS0
I/O
Master only mode:
Chip-select 1 output.
Slave mode:
Chip-select input.
Multi-master mode:
Chip-select 2 output.
B17
SPINCS1
I/O
Master only mode:
Chip-select 2 output.
Slave mode:
Not used.
41
R-N500
R-N50
0
Содержание R-N500
Страница 3: ...FRONT PANEL REAR PANELS U C models R S models 3 R N500 R N500...
Страница 4: ...K model A model B G models 4 R N500 R N500...
Страница 5: ...L model 5 R N500 R N500...
Страница 99: ...99 R N500 R N500 MEMO...
Страница 100: ...R N500...
