Epa And Timer/Counter Signals And Registers - Intel 8XC196MC User Manual

8XC196MC, MD, MH USER'S MANUAL
Timer-counter Unit
EPA0
EPA x
Notes:
For the 8XC196MC, x & y = 3.
For the 8XC196MD, x & y = 5.
For the 8XC196MH, x = 1 & y = 3.

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.
Port Pin
8XC196MC 8XC196MD
P1.2 P1.2
P1.3 P1.3
P2.0 P2.0
P2.1 P2.1
P2.2 P2.2
P2.3 P2.3
— P7.0
— P7.1
11-2
TIMER1
TIMER2
Capture/Compare
Channel 0
. .
.
Capture/Compare
Channel x
Compare-only
Channel 0
. .
.
Compare-only
Channel y
Figure 11-1. EPA Block Diagram
Table 11-2. EPA and Timer/Counter Signals
EPA
Signals
8XC196MH
P0.6 T1CLK
P0.7 T1DIR
P2.0 EPA0
P2.2
EPA1
— EPA2
— EPA3
— EPA4
— EPA5
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EPA0 Interrupt
EPA x Interrupt
COMP0 Interrupt
COMP y Interrupt
EPA
Signal Description
Type
I External clock source for timer 1.
I External direction control for timer 1.
I/O High-speed input/output for the
capture/compare channels.
COMP0
COMP y
A2846-01