Intel 8XC196MC Benutzerhandbuch

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8XC196MC, MD, MH USER’S MANUAL
11-2
Figure 11-1.  EPA Block Diagram
11.2 EPA AND TIMER/COUNTER SIGNALS AND REGISTERS
Table 11-2 describes the EPA and timer/counter input and output signals. Each signal is multi-
plexed with a port pin as shown in the first column. Table 11-3 briefly describes the registers for
the EPA capture/compare channels, EPA compare-only channels, and timer/counters.
Table 11-2.  EPA and Timer/Counter Signals 
Port Pin
EPA 
Signals
EPA
Signal 
Type
Description
8XC196MC
8XC196MD
8XC196MH
P1.2
P1.2
 P0.6
T1CLK
I
External clock source for timer 1.
P1.3
P1.3
P0.7
T1DIR
I
External direction control for timer 1.
P2.0
P2.1
P2.2
P2.3

P2.0
P2.1
P2.2
P2.3
P7.0
P7.1
P2.0
P2.2



EPA0
EPA1
EPA2
EPA3
EPA4
EPA5
I/O
High-speed input/output for the 
capture/compare channels.
A2846-01
TIMER1
TIMER2
Timer-counter Unit
Compare-only
Channel 
y
Compare-only
Channel 0
Capture/Compare
Channel 
x
Capture/Compare
Channel 0
COMP
y
COMP0
EPA
x
EPA0
EPA0 Interrupt
EPA
x Interrupt
COMP0 Interrupt
COMP
y Interrupt
..
.
..
.
Notes:
For the 8XC196MC, 
x
  & 
y
 = 3.
For the 8XC196MD, 
x
  & 
y
 = 5.
For the 8XC196MH, 
x
 = 1 & 
y
 = 3.