Chapter 14 Enhanced Capture Timer (ECT16B8CV3)
MC9S12XE-Family Reference Manual , Rev. 1.19
526
Freescale Semiconductor
•
Freeze — Timer and modulus counter keep on running, unless the TSFRZ bit in the TSCR1 register
is set to one.
•
Wait — Counters keep on running, unless the TSWAI bit in the TSCR1 register is set to one.
•
Normal — Timer and modulus counter keep on running, unless the TEN bit in the TSCR1 register
or the MCEN bit in the MCCTL register are cleared.
14.1.3
Block Diagram
Figure 14-1. ECT Block Diagram
14.2
External Signal Description
The ECT module has a total of eight external pins.
Prescaler
16-bit Counter
16-Bit
Pulse Accumulator B
IOC0
IOC2
IOC1
IOC5
IOC3
IOC4
IOC6
IOC7
PA Input
Interrupt
PA Overflow
Interrupt
Timer Overflow
Interrupt
Timer Channel 0
Interrupt
Timer Channel 7
Interrupt
Registers
Bus Clock
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
16-Bit
Pulse Accumulator A
PB Overflow
Interrupt
Modulus Counter
Interrupt
16-Bit Modulus Counter
Input Capture
Output Compare
Input Capture
Input Capture
Input Capture
Input Capture
Input Capture
Input Capture
Input Capture
Output Compare
Output Compare
Output Compare
Output Compare
Output Compare
Output Compare
Output Compare
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
S12XE
products
in
208
MAPBGA
packages
