Z86L827 查看數據表（PDF） - Zilog
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Z86L827 Datasheet PDF : 79 Pages
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Z86L825/826/827
20-Pin Low-Voltage IR Microcontrollers
52
Enable
TC8
Time-out
Enable
Ping-Pong
CTR1, D3, D2
TC16
Time-out
Figure 41. Ping-Pong Mode
Starting Ping-Pong Mode
First, make sure both counter/timers are not running. Then set T8 into Single-
Pass Mode (CTR0 D6), set T16 into Single-Pass Mode (CTR2 D6), and set the
Ping-Pong Mode (CTR1 D2, D3). These instructions do not have to be in any par-
ticular order. Finally, start Ping-Pong Mode by enabling either T8 (CTR0 D7) or
T16 (CTR2 D7).
During Ping-Pong Mode
The enable bits of T8 and T16 (CTR0 D7, CTR2 D7) are set and cleared alter-
nately by hardware. The time-out bits (CTR0 D5, CTR2 D5) are set every time the
counter/timers reach the terminal count.
PS008808-1203
PRELIMINARY
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