Z87100 Просмотр технического описания (PDF) - Zilog

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Z87100

PN MODULATOR WIRELESS TRANSMITTER

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Z87100

Wireless Transmitter

PIN FUNCTIONS

RC1 (RC Oscillator input). This pin connects an external TMBASE (Time Base Counter Clock Input). This pin

3 RC network or an external single-phase clock to the on- connects an external 32 kHz clock signal to the input of an

chip RC oscillator.

on-chip Time Base Counter.

RC2 (RC Oscillator output). This pin connects an exter-

nal RC network to the on-chip RC oscillator.

As a mask option, the Z87100 can be configured to initial-

ize ("cold start") using either RC or TMBASE. Consequent-

ly, the Z87100 can be operated with either or both RC and

TMBASE clock sources.

P27

P26

P25

P24

Z87100

P23

P22

P21

P20

Open-Drain

P21-P26 OE

Port 2

P21-P26 OUT

P21-P26 IN

1.5

2.3 Hysteresis

Port 2 (I/O)

P21-P26

PAD

Figure 5. Port 2 Configuration (P21-P26)

DS96WRL0700

PRELIMINARY

3-9

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