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ProblemCourse & topicStatus

EMB:9925201Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925202Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925203Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925204Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925205Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925206Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925207Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925208Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925209Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925210A sensor MCU must deliver 64 payload bytes to a host.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925211An asynchronous UART link runs at 38400 baud.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925212Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925213Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925214Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925215Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925216A 16-bit one’s-complement checksum is computed over the three 16-bit words…

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925217A block uses even row parity, even column parity, and even overall parity.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925218A LIN 2.1-like frame uses 19200 baud UART 8N1 characters on a single-wire bus.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925219A stop-and-wait link uses UART 8N1 at 19200 baud in both directions, half-duplex, with a turnaround delay…

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925220Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925221Mathematical problem title

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925222Two nodes share a half-duplex RS-485 pair.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925223A Modbus RTU-like frame is sent at 19200 baud with 8N1.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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EMB:9925224A check fails if the receiver’s recomputation disagrees.

Resource PowerEmbedded Systems Problem Solving

Memory, energy, and reliability budgetsEmbedded Systems · Calculation

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Standard-mode

I^2C

requires

t_{\mathrm{LOW}}\ge

4.70\,\mu\mathrm{s}

and

t_{\mathrm{HIGH}}\ge

4.00\,\mu\mathrm{s}

…

An

I^2C

bus uses

V_{\mathrm{DD}}=3.30\,\mathrm{V}

, bus capacitance

C_b=200\,\mathrm{pF}

, and a single pull-up

R_p

…

A Fast-mode

I^2C

slave clock-stretches by holding SCL low after the falling edge of the ACK pulse of its own…

An

I^2C

seven-bit slave at address

\mathtt{0x21}

implements the following ACK/NACK policy.

A ten-bit

I^2C

address is

A_9A_8\ldots

A_0=\mathtt{0x2B5}

(so

A_9A_8=10_2

and

A_7\ldots

A_0=\mathtt{0xB5})

.

Two

I^2C

masters

M_A

and

M_B

begin a START condition in the same SCL cycle and therefore enter arbitration.

A Fast-mode

I^2C

master writes data bits on SDA with the following timing, referenced to SCL at

400.0\,\mathrm{kHz}

…

Standard-mode

I^2C

requires a bus-free time

t_{\mathrm{BUF}}\ge

4.70\,\mu\mathrm{s}

between a STOP (SDA rising…

The

I^2C

general-call address is the eight-bit value

\mathtt{0x00}

(seven-bit address 0 with…

An I2C Fast-mode master drives

f_{\mathrm{SCL}}=400\,\mathrm{kHz}

on a single-master bus.

An SPI master operates in mode 0

(\mathrm{CPOL}=0

,

\mathrm{CPHA}=0)

: SCK idles low, data are changed on the…

A CAN 2.0A-like data frame is sent on a

500\,\mathrm{kbit/s}

nominal bit-rate bus.

An 8-bit CRC remainder register

R=R_7R_6R_5R_4R_3R_2R_1R_0

implements the generator

G(x)=x^{8}+x^{2}+x+1

.

A Hamming (12,8) even-parity code places parity bits in positions 1,2,4,8 of a 12-bit codeword

c_{12}c_{11}\ldots

…

A UART receiver is clocked at

f_{\mathrm{clk}}=2.4576\,\mathrm{MHz}

and uses

16\times

oversampling.