參數(shù)資料
型號(hào): Z86L7208VSC
廠商: ZILOG INC
元件分類(lèi): 微控制器/微處理器
英文描述: IR MICROCONTROLLER
中文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁(yè)數(shù): 47/71頁(yè)
文件大?。?/td> 364K
代理商: Z86L7208VSC
Z86C72/C92/L72/L92
IR Microcontroller
Zilog
DS97LVO0900
P R E L I M I N A R Y
6-47
1
To Initiate Ping-Pong Mode
First, make sure both counter/timers are not running. Then
set T8 into Single-Pass Mode (CTR0 D6), set T16 into Sin-
gle-Pass Mode (CTR2 D6), and set Ping-Pong Mode
(CTR1 D2, D3). These instructions do not have to be in
any particular order. Finally, start Ping-Pong Mode by en-
abling either T8 (CTR0 D7) or T16 (CTR2 D7).
During Ping-Pong Mode
The enable bits of T8 and T16 (CTR0 D7, CTR2 D7) will
alternately be set and cleared by hardware. The time-out
bits (CTR0 D5, CTR2 D5) will be set every time the
counter/timers reach the terminal count.
Figure 33. T8_OUT and T16_OUT in Ping-Pong Mode
TC8H
Enable T8,
T8_OUT Switches
To Its Initial Value
TC16H*256+TC16L
T16_OUT Toggles
T8_OUT
TC8H
TC16H*256+TC16L
T16_OUT
T16_OUT
T16_OUT Switches To Its Initial
Value When TC16 Is Enabled
T8_OUT Toggles
T8_OUT Toggles
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