Z86C9216VSC View Datasheet(PDF) - Zilog

Part Name

Description

MFG CO.

Z86C9216VSC

IR MICROCONTROLLER

Zilog 

Zilog

Z86C72/C92/L72/L92

IR Microcontroller

To Initiate Ping-Pong Mode

During Ping-Pong Mode

First, make sure both counter/timers are not running. Then The enable bits of T8 and T16 (CTR0 D7, CTR2 D7) will

set T8 into Single-Pass Mode (CTR0 D6), set T16 into Sin-

gle-Pass Mode (CTR2 D6), and set Ping-Pong Mode

alternately be set and cleared by hardware. The time-out

bits (CTR0 D5, CTR2 D5) will be set every time the

1

(CTR1 D2, D3). These instructions do not have to be in counter/timers reach the terminal count.

any particular order. Finally, start Ping-Pong Mode by en-

abling either T8 (CTR0 D7) or T16 (CTR2 D7).

TC8H

T8_OUT

Enable T8,

T8_OUT Switches

To Its Initial Value

T8_OUT Toggles

TC16H*256+TC16L

TC8H

T8_OUT Toggles

T16_OUT

TC16H*256+TC16L

T16_OUT Toggles

T16_OUT

T16_OUT Switches To Its Initial

Value When TC16 Is Enabled

Figure 33. T8_OUT and T16_OUT in Ping-Pong Mode

DS97LVO0900

PRELIMINARY

6-47

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