參數(shù)資料
型號(hào): M95160MN
廠商: 意法半導(dǎo)體
元件分類: DRAM
英文描述: 64/32/16/8 Kbit Serial SPI Bus EEPROM With High Speed Clock
中文描述: 64/32/16/8千位串行SPI總線的EEPROM高速時(shí)鐘
文件頁(yè)數(shù): 7/40頁(yè)
文件大?。?/td> 648K
代理商: M95160MN
7/40
M95160, M95080
CONNECTING TO THE SPI BUS
These devices are fully compatible with the SPI
protocol.
All instructions, addresses and input data bytes
are shifted in to the device, most significant bit
first. The Serial Data Input (D) is sampled on the
first rising edge of the Serial Clock (C) after Chip
Select (S) goes Low.
All output data bytes are shifted out of the device,
most significant bit first. The Serial Data Output
(Q) is latched on the first falling edge of the Serial
Clock (C) after the instruction (such as the Read
from Memory Array and Read Status Register in-
structions) have been clocked into the device.
Figure 4.
shows three devices, connected to an
MCU, on a SPI bus. Only one device is selected at
a time, so only one device drives the Serial Data
Output (Q) line at a time, all the others being high
impedance.
Figure 4. Bus Master and Memory Devices on the SPI Bus
Note: The Write Protect (W) and Hold (HOLD) signals should be driven, High or Low as appropriate.
AI03746D
Bus Master
(ST6, ST7, ST9,
ST10, Others)
SPI Memory
Device
SDO
SDI
SCK
C
Q
D
S
SPI Memory
Device
C
Q
D
S
SPI Memory
Device
C
Q
D
S
CS3
CS2
CS1
SPI Interface with
(CPOL, CPHA) =
(0, 0) or (1, 1)
W
HOLD
W
HOLD
W
HOLD
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