Z86L972 Datasheet, PDF (50/91 Pages) Zilog, Inc. – Low-Voltage Microcontrollers

Z86L972/Z86L973/Z86L974
Low-Voltage Microcontrollers
43
T8 (8-Bit)
Transmit Mode
Reset T8_Enable Bit
No
T8_Enable Bit Set
CTR0 D7
Yes
0
Load TC8L
Reset T8_OUT
CTR1 D1
Value
1
Load TC8H
Set T8_OUT
Set Time-out Status Bit
(CTR0 D5) and Generate
Timeout_Int. if Enabled
Enable T8
No _{T8_Timeout}
Yes
Single Pass
Single
Pass?
Modulo-N
1
Load TC8L
Reset T8_OUT
T8_OUT Value
0
Load TC8H
Set T8_OUT
Enable T8
No
T8_Timeout
Yes
Disable T8
Set Time-out Status Bit
(CTR0 D5) and Generate
Timeout_Int. if Enabled
Figure 31. Transmit Mode Flowchart
PS010504-1002
PRELIMINARY