WebNov 20, 2024 · The 2125A is a static-RAM IC that has a capacity of 1K × 1, one active-LOW chip select input, and separate data input and output. Show how to combine several 2125A ICs to form a 1K × 8 module. 2. We want to combine several 2K × 8 PROMs to produce a total capacity of 8K × 8. How many PROM chips are needed? Webconfigure the SPI for a specific chip; The clock line has different idle states in the different SPI modes. Changing the SPI mode while a slave is selected might confuse the slave, …
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WebThe chip select is a command pin on many integrated circuits which connects the I/O pins on the device to the internal circuitry of that device. … WebThe A2 bit must compare to its corresponding hardwired input pin. The A1 and A0 pins are no-connect. The 16K EEPROM does not use the device address pins, which limits the number of devices on a single bus to one. The A0, A1, and A2 pins are no-connects. The eighth bit of the device address is the read/write operation select bit. bitesize higher pe
spi - What pins can be used for chip select (CS, CC) on the …
WebNov 21, 2024 · Every SPI device should have their own CS/CC pin, and is mandatory when you use multiple SPI devices. For this reason, there is no single pin the SPI can define for being used as CS/CC pin. However, it should give a GND or VCC value, thus a CS/CC pin should typically be configured as a digital input pin (as master) for each slave. WebMay 4, 2014 · Chip select lines are usually asserted low, e.g. !CS (where ! represents the bar over the name). For this reason, address decoders like the 74HCT138 output a 0 on the decoded address line. But sometimes, … WebAnswer to question 2 Part a) A 8M*32 main memory is built using the 128*8 RAM chips and memory is byte addressable. Total main memory size = 8M*32 = RAM chip size = 128*8 = Number of RAM chips= Total main memory size/Each RAM chip size The number o …. #2- Suppose that a 8MX32 main memory is built using 128X8 RAM chips and memory is … dash source /.bashrc