Echelon NodeBuilder FX Manual de usuario descargar pdf (Pagina 224)

210 Building and Downloading Device Applications

The following sections provide two sets of diagrams illustrating connection schemes that you could use

for connecting external serial memory devices to the Aardvark programmer over the I

C and SPI

interfaces in the Neuron core of the 5000 Series chips.

The first diagram in each section illustrates how to connect the external serial memory device to the

Aardvark programmer by connecting the TotalPhase 10-pin split cable to the Aardvark programmer

and then inserting the flying leads on the 10-pin split cable to the jumpers on your device’s board.

This is ideal for scenarios where you want to physically disconnect the external serial memory device

from the Neuron chip. Note that instead of using flying leads, you could use one or more custom

cable adapters that are individually wired or switched-in to match the configuration for each external

serial memory device to be programmed.

The second diagram in each section illustrates how to directly connect the external serial memory

device to the Aardvark programmer. This is ideal for small devices where there may be insufficient

space for jumpers on the board, or simple devices where jumpers are not desired. Note that in this

scenario, the external serial memory devices are still connected to the 5000 Series chip. You therefore

must connect the RST~ pin on the Neuron chip to GND on the Aardvark programmer. This holds the

RST~ line low, places the I

C and SPI interfaces in a high impedance state, and idles the Neuron chip.

This eliminates the possibility of the Aardvark programmer conflicting with the Neuron chip when the

Aardvark is accessing the I

C and SPI interfaces.

Serial Memory Device-Aardvark Connection Scheme for I

C Interface

To connect an external serial EEPROM device to the Aardvark programmer and perform in-circuit

programming over the I

C interface, you could use the following schemes:

1 2 ... 219 220 221 222 223 224 225 226 227 228 229 ... 299 300

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Whirlpool AKZ 669/IX Instruction for Use (12 pages)

Brand: Whirlpool | Category: Microwaves | Size: 0.74 MB |

GEBRUIKSAANWIJZINGEN

INSTALLATIE

Elektrische aansluiting

De oven vastzetten

MILIEUTIPS

BELANGRIJKE OPMERKINGEN

ALVORENS DE OVEN TE GEBRUIKEN

ACCESSOIRES VAN DE OVEN

ONDERHOUD EN REINIGING

OPSPOREN VAN STORINGEN

KLANTENSERVICE

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