NEC PD754144 User Manual
Page 130
CHAPTER 6 PERIPHERAL HARDWARE FUNCTION
130
User’s Manual U10676EJ3V0UM
Figure 6-28. Format of Timer Counter Mode Register (Channel 2) (1/2)
7
6
5
4
3
2
1
0
PD754244: f
X
= 6.0 MHz
TM20
TM21
TM23
TM22
TM24
TM25
TM26
–
Address
TM2
F90H
Symbol
Count pulse (CP) select bit
TM26
Count pulse (CP)
TM25
0
f
X
/2 (3.00 MHz)
1
f
X
(6.0 MHz)
1
0
0
1
1
f
X
/2
8
(23.4 kHz)
0
f
X
/2
6
(93.8 kHz)
f
X
/2
10
(5.86 kHz)
TM24
0
1
0
1
1
1
0
f
X
/2
4
(375 kHz)
1
1
1
PD754244: f
X
= 4.19 MHz
TM26
Count pulse (CP)
TM25
0
f
X
/2 (2.10 MHz)
1
f
X
(4.19 MHz)
1
0
0
1
1
f
X
/2
8
(16.4 kHz)
0
f
X
/2
6
(65.5 kHz)
f
X
/2
10
(4.10 kHz)
TM24
0
1
0
1
1
1
0
f
X
/2
4
(262 kHz)
1
1
1
µ
Setting prohibited
Other
µ
Setting prohibited
Other
PD754144: f
CC
= 1.0 MHz
TM26
Count pulse (CP)
TM25
0
f
CC
/2 (500 MHz)
1
f
CC
(1.0 MHz)
1
0
0
1
1
f
CC
/2
8
(3.91 kHz)
0
f
CC
/2
6
(15.6 kHz)
f
CC
/2
10
(977 Hz)
TM24
0
1
0
1
1
1
0
f
CC
/2
4
(62.5 kHz)
1
1
1
µ
Setting prohibited
Other