Z86L99X 查看數據表（PDF） - Zilog

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Z86L99X

Low-Voltage Microcontrollers with ADC

Zilog 

Z86D990/Z86D991 OTP and Z86L99X ROM

Low-Voltage Microcontrollers with ADC

45

reload and restart counting. Interrupt request IRQ5 is generated on every end-of-

count.

T8 and T16 Timer Operation

The T8 timer is a programmable 8-bit counter/timer with two 8-bit capture regis-

ters and two 8-bit load registers. The T16 timer is a programmable 16-bit counter/

timer with one 16-bit capture register pair and one 16-bit load register pair. See

Figure 33. The T8 and T16 counters/timers have two modes of operation:

• The transmit mode is used to generate complex waveforms. There are two

submodes:

– The normal mode can be used in single-pass or modulo-N (repeating)

mode.

– The ping-pong mode is used when the T8 timer counts down, enables the

T16 timer that counts down, enabling T8, and so on, until the mode is

disabled.

• The demodulation mode is used to capture and demodulate complex

waveforms.

PS003807-1002

PRELIMINARY

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