Operation Of Counter Function; Figure 7.7-1 Settings For Counter Function (In 8-Bit Mode) - Fujitsu F2MC-8L Series Hardware Manual

7.7

Operation of Counter Function

This section describes the operation of the counter function of the 8/16-bit timer/
counter.
Operation of Counter Function
In 8-bit mode
Figure 7.7-1 illustrates the settings required to operate timer 1 as a counter in 8-bit mode.
The operations of the counter function in 8-bit mode are the same as those of the interval timer
function (timer 1 in 8-bit mode), except that the counter uses an external clock instead of an
internal clock.

Figure 7.7-1 Settings for Counter Function (in 8-bit Mode)

Bit 7 Bit 6
DDR3
× ×
T1CR T1IF T1IE T1OS1 T1OS0 T1CS1 T1CS0 T1STP T1STR
T1DR Counter value (to be compared) set
T2CR T2IF T2IE T2OS1 T2OS0 T2CS1 T2CS0 T2STP T2STR
× ×
Bit 5 Bit 4 Bit 3 Bit 2
× × ×
1
× ×
Other than 11
7.7 Operation of Counter Function
Bit 1 Bit 0
× × ×
1
× ×
: Used bit
× : Used bit
0 : Set "0".
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