Z8FMC04100 ZILOG [Zilog, Inc.], Z8FMC04100 Datasheet - Page 114

• Manufacturer Part Number: Z8FMC04100
• Description: Z8 Encore-R Motor Control Flash MCUs
• Manufacturer: ZILOG [Zilog, Inc.]

92
Z8 Encore!
Product Specification
General-Purpose Timer
System
Control
Clock
Timer
Block
Input
Data
Bus
Operation
®
Motor Control Flash MCUs
The general-purpose timer is a 16-bit up-counter. In normal operation, the timer is initial-
ized to
High and Low Byte registers, then resets to
depending on its current mode of operation.
Minimum time-out delay (1 system clock in duration) is set by loading the value
into the Timer Reload High and Low Byte registers and setting the prescale value to 1.
Maximum time-out delay (2
the Timer Reload High and Low Byte registers and setting the prescale value to 128.
When the timer reaches
If the reload register is set to a value less than the current counter value, the counter con-
tinues counting until reaching
reaching the reload value, then resets to
Gate Input
Capture Input
0001h
. After it is enabled, the timer counts up to the value contained in the Reload
Reload Register
PWM/Compare
16-Bit Counter
with Prescaler
Timer Control
Figure 10. Timer Block Diagram
16-Bit
16-Bit
FFFFh
P R E L I M I N A R Y
16
FFFFh
x 2
, the timer rolls over to
7
system clocks) is set by loading the value
, rolls over to
0001h
0001h
.
. The counter either halts or continues,
0000h
0000h
, and continues counting until
Timer Output
PWM, and
Interrupt,
Timer Block
Control
.
PS024604-1005
0000h
0001h
Timer
Interrupt
T
T
OUT
OUT
into