NEC PD754144 User Manual page 124

– TM16 TM15 TM14 TM13 TM12 TM11 TM10
Timer counter (channel 2) output
5
f /2
X
6
f /2
X
From clock
MPX
8
f /2
generator X
10
f /2
X
12
f /2
X
8
Note
SET1
TM1
Modulo register (8)
Decoder
Comparator (8)
Count register (8)
CP
Timer operation starts
16-bit timer counter mode
Timer counter (channel 2) match signal
(in 16-bit timer counter mode)
Internal bus
8
TMOD1
Co-
8
inci-
dence
TOUT
F/F
8
T1
Clear
Selector
Timer counter (channel 2)
reload signal
Timer counter (channel 2) comparator
(in 16-bit timer counter mode)
TOE1 PORT3.1 Bit 1 of PMGA
T1 enable P31 Port 2
flag output latch l/O mode
Output buffer
Reset
RESET
IRQT1 clear
signal
INT1
lRQT1
set signal
P31/PTO1