Setting Of Timer Counter Mode Registers - NEC PD754144 User Manual

Address 7
FA8H –
F90H –
Count pulse (CP) select bit
Timer start command bit
Remark n = 1 and 2
Operation mode
Operation mode select bit
152
CHAPTER 6 PERIPHERAL HARDWARE FUNCTION
Figure 6-40. Setting of Timer Counter Mode Registers
6 5 4 3
TM16 TM15 TM14 TM13
TM26 TM25 TM24 TM23
TMn6 TMn5 TMn4
0 1 0 Overflow of count register (T2)
5
0 1 1 f 2
X
12
1 0 0 f /2
X
10
1 0 1
f /2
X
8
1 1 0 f /2
X
6
1 1 1 f /2
X
Other Setting prohibited
Clears counter and IRQTn flag when "1" is written. Starts count operation
TM23
if bit 2 is set to "1".
TM22
0 Stops (count value retained)
1 Count operation
TM21 TM20 TM11 TM10
1 0 1 0
User's Manual U10676EJ3V0UM
2 1 0 Symbol
TM12 TM11 TM10 TM1
TM22 TM21 TM20 TM2
TM1
f /2
X
f
X
10
f /2
X
8
f /2
X
6
f /2
X
4
f /2
X
Count operation
Mode
16-bit timer counter mode
TM2