Parameterising 2/4xcounter module
Encoder (modes 1, 3, and 5)
12
Parameter setting
12.4
12.4.4
l
12.4-10
EDSPM-TXXX-3.0-04/2004
The counter is incremented by 1 on
z
a LOW-HIGH edge at input IN2 / IN5 (A) and a LOW level at the input
IN3 / IN6 (B).
z
a HIGH-LOW edge (track A) at input IN2 / IN5 (A) and a HIGH level at input
IN3 / IN6 (B).
RES
B
A
Counter
00000001
00000000XXXX
00000002 00000003 00000004 00000005 00000006 00000007 00000008 00000009
TreH2d
TcIH2d
Tc IH
TdL2cIH TcIH2dH
Tc IL
epm-t071
Fig. 12.4-12 Signal characteristic of 2/4xcounter in the mode 3 (upcounter)
The counter is decremented by 1 on
z
a LOW-HIGH edge at input IN2 / IN5 (A) and a HIGH level at input
IN3 / IN6 (B).
z
a LOW-HIGH edge at input IN2 / IN5 (A) and a LOW level at the input
IN3 / IN6 (B).
RES
B
A
Counter
FFFFFFFF
00000000
FFFFFFFE FFFFFFFD
FFFFFFFC
FFFFFFFB FFFFFFFA FFFFFFF9 FFFFFFF8 FFFFFFF7
XXXXX
TreH2d
TdL2cIH
TcIH
TcIH2d
TcIL
TcIH2dH
epm-t072
Fig. 12.4-13 Signal characteristic of 2/4xcounter in the mode 3 (downcounter)
Signal characteristic in mode 3