NEC V850ES/F 3-L Series User Manual page 315

16-Bit Timer/Event Counter AA
SELCNT2.ISEL2[4:0]
0
1
0
1
0
1
X
X
X
X
X
a)
f has the same frequency as f
XP2
for details.
Note
Caution
TAAnCTL0 register
TAAn TAAn TAAn
CKS2 CKS1 CKS0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
, but doesn't stop in IDLE1 mode. Refer to "Clock Generator" on page 179
XX
1. PRSI can be set by the option bytes:
Refer to "Flash Memory" on page 259 for details.
Set bits TAAnCKS2 to TAAnCKS0 only when TAAnCE = 0.
When TAAnCE bit setting is changed from 0 to 1, TAAnCKS2 to TAAnCKS0
bits can be set simultaneously.
When the main clock is stopped, the count operation with the subclock is not
available.
User's Manual U18743EE1V2UM00
Selection of internal count clock
n = 0, 2, 4
Input
PRSI = 0
f f
XP1 XX
a
f f
XP2 XX
f /2 f /2
XP1 XX
f /2 f /2
XP2 XX
f /4 f /4
XP1 XX
f /4 f /4
XP2 XX
f /8 f /8
XP1 XX
f /16 f /16
XP1 XX
f /32 f /32
XP1 XX
f /64 f /64
XP1 XX
f /128 f /128
XP1 XX
f –
XT
Chapter 10
n = 1, 3
PRSI = 1 PRSI = 0
f /2 f
XX XX
f /2 f
XX XX
f /4 f /2
XX XX
f /4 f /2
XX XX
f /8 f /4
XX XX
f /8 f /4
XX XX
f /16 f /8
XX XX
f /32 f /16
XX XX
f /64 f /32
XX XX
f /128 f /64
XX XX
f /256 –
XX
– f
XT
PRSI = 1
f /2
XX
f /2
XX
f /4
XX
f /4
XX
f /8
XX
f /8
XX
f /16
XX
f /32
XX
f /64
XX
f /128
XX
–
f
XT
315