Renesas User System Interface Cable HS36049ECH61H Manual do Utilizador descarregar pdf (Página 12)

Peripherals

Clock

Divider

From clock pulse

generator

ΔΣ A/D converter

clock (A0)

Divided-clock

select signal

DSADMR

Biasing

Circuit

Internal data bus

Module data bus

Bus interface

Digital

filter

REXT

AVCM

ΔΣ

Modulator

ANDS0

ANDS1

ANDS2

ANDS3

ANDS4P

ANDS5P

NDS4N

NDS5N

DSADDR [0:5]

DSADDF [0:3]

DSADCSR,

DSADCR

16-bit

A/D-converted data

10-bit

D/A

Control

Circuit

ANDSTRG

DSADI interrupt signal

Conversion start trigger

from TPU or TMR

Gain

Gain Control

DSADDR [0:5] - data results register

DSADDF [0:3] - offset cancel DAC input

H8SX 16-bit Delta- Sigma ADC

■ Data Converters

• 4- to 16-channel

10-bit successive-

approximation

A/D converter

(ADC)

• 6-channel, 16-bit

Delta-Sigma ADC,

91.5µs conversion

time (H8SX)

• 2-channel 14-bit

Delta-Sigma ADC

(H8/SLP)

• 2- to 4-channel

8-bit D/A converter

Family — On-chip Peripherals: Analog

■ High-speed on-chip oscillator

• 40MHz +/- 1% over

temperature and voltage

• 32MHz setting also available

to derive accurate UART

baud rates

• Option to trim to custom

frequency via software

• 40MHz clock available

to timer modules

High-speed

On-chip Oscillator

3 3.5 4 4.5 5 5.5

Vcc (V)

-3

-2

-1

% Accuracy

+/- 1 %

Typical MCU

H8S/Tiny

-2

0 +25 +85

Temp (°C)

■ Built-in POR & LVD

• Power-On Reset circuit

can be configured to

detect two different

voltage levels

• Low-Voltage Detect

circuit can generate

interrupts at 14 different

levels set via software

• Power supply can also

be monitored through

pins to trigger LVD

interrupts

Built-in POR & LVD

VCC [V]

Internal

status

(2 options)

(12 options)

(2 options)

reset

Vdet2

Vdet1

Vdet0

reset

Program execution

Interrupt Interrupt

Power-On Reset Low-voltage Detection

■ Dual-Tone Multi-Frequency (DTMF) Generator

• Generates DTMF frequency sine waveform, with minimum distortion

• Synthesis or single waveform

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 49 50

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