M38039G4H-XXXHP RENESAS [Renesas Technology Corp], M38039G4H-XXXHP Datasheet - Page 31

• Manufacturer Part Number: M38039G4H-XXXHP
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
• Manufacturer: RENESAS [Renesas Technology Corp]

3803 Group (Spec.H QzROM version)
Rev.1.10
REJ03B0166-0110
Fig 21. Block diagram of timer X, timer Y, timer 1, and timer 2
X
X
CIN
IN
Main clock
division ratio
selection bits
P5
“00”
“11”
“10”
P5
5
4
/CNTR
/CNTR
Nov 14, 2005
direction register
direction register
1
0
Divider
Port P5
(1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024)
Port P5
Clock for timer Y
5
4
Pulse output mode
f(X
Pulse output mode
f(X
Clock for timer 12
CIN
CIN
Count source selection bit
CNTR
edge switch bit
)
CNTR
edge switch bit
)
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1
Count source
selection bit
Port P5
latch
0
Port P5
latch
active
active
“1”
“0”
“0”
“1”
4
5
Pulse width
measurement
mode
Pulse width
measurement
mode
Event
counter
mode
Event
counter
mode
Prescaler 12 latch (8)
CNTR
edge switch bit
CNTR
edge switch bit
Prescaler 12 (8)
0
1
Timer mode
Pulse output mode
Timer mode
Pulse output mode
active
Timer Y count stop bit
active
Timer X count stop bit
“1”
“0”
“1”
“0”
Data bus
Q
Q
Prescaler X latch (8)
Q
Q
Prescaler Y latch (8)
Prescaler X (8)
Prescaler Y (8)
Toggle flip-flop
Toggle flip-flop
R
R
Data bus
Timer 1 latch (8)
Data bus
Timer 1 (8)
T
T
Timer X latch (8)
Timer Y latch (8)
Timer X latch write pulse
Pulse output mode
Timer Y latch write pulse
Pulse output mode
Timer X (8)
Timer Y (8)
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Timer 2 latch (8)
Timer 2 (8)
To timer X interrupt
request bit
To timer Y interrupt
request bit
To CNTR
request bit
To CNTR
request bit
To timer 2 interrupt
request bit
To timer 1 interrupt
request bit
0
1
interrupt
interrupt