Z8F1680SH020SG Datasheet, PDF (133/412 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F1680 Series
Product Specification
108
Timer
Clock
Input
TxIN (ideal)
Data Bit = 0
Data Bit = 1
Noise Filter
Up/Dn Cntr
33 21 0 00 00 00 0 00 0 00 012
3 3 33 3 33 3 33 33 3 3
Noise Filter
Output
nominal filter delay
Clean TxIN
example
Input
TxIN (noisy)
Data Bit = 0
Data Bit = 1
Noise Filter
Up/Dn Cntr
33
21
0
00
0
00
12
1
0
00
0010
1
2
33
3
32
3
33
33
3
3
Noise TxIN
example
Noise Filter
Output
NEF
output
Figure 13. Noise Filter Operation
9.3.
Timer Control Register Definitions
This section defines the features of the following Timer Control registers.
Timer 0–2 High and Low Byte Registers: see page 109
Timer Reload High and Low Byte Registers: see page 109
Timer 0–2 PWM0 High and Low Byte Registers: see page 110
Timer 0–2 PWM1 High and Low Byte Registers: see page 111
Timer 0–2 Control Registers: see page 112
Timer 0–2 Status Registers: see page 118
Timer 0–2 Noise Filter Control Register: see page 119
PS025015-1212
PRELIMINARY
Timers