NEC PD754244 Network Card User Manual


 
CHAPTER 6 PERIPHERAL HARDWARE FUNCTION
128 Users Manual U10676EJ3V0UM
Figure 6-27. Format of Timer Counter Mode Register (Channel 1) (1/2)
765432
10
PD754244: f
X
= 6.0 MHz
TM10TM11TM13 TM12TM14TM15TM16
Address
TM1
FA8H
Symbol
Count pulse (CP) select bit
TM16
Count pulse (CP)
TM15
0
Overflow of timer counter (channel 2)
1
f
X
/2
5
(188 kHz)
1
0
01
1
f
X
/2
10
(5.86 kHz)
0
f
X
/2
8
(23.4 kHz)
f
X
/2
12
(1.46 kHz)
TM14
0
1
0
1
110
f
X
/2
6
(93.8 kHz)
111
PD754244: f
X
= 4.19 MHz
TM16
Count pulse (CP)
TM15
0
Overflow of timer counter (channel 2)
1
f
X
/2
5
(131 kHz)
1
0
01
1
f
X
/2
10
(4.10 kHz)
0
f
X
/2
8
(16.4 kHz)
f
X
/2
12
(1.02 kHz)
TM14
0
1
0
1
110
f
X
/2
6
(65.5 kHz)
111
µ
µ
Setting prohibited
Other
Setting prohibited
Other
PD754144: f
CC
= 1.0 MHz
TM16
Count pulse (CP)
TM15
0
Overflow of timer counter (channel 2)
1
f
CC
/2
5
(31.3 kHz)
1
0
01
1
f
CC
/2
10
(977 Hz)
0
f
CC
/2
8
(3.91 kHz)
f
CC
/2
12
(244 Hz)
TM14
0
1
0
1
110
f
CC
/2
6
(15.6 kHz)
111
µ
Setting prohibited
Other