M38039G4H-XXXHP RENESAS [Renesas Technology Corp], M38039G4H-XXXHP Datasheet - Page 37

• 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 24. Block diagram of timer Z
P4
7
/CNTR
Timer Z operating
mode bits
Port P4
direction register
“001”
“100”
“101”
2
Nov 14, 2005
7
Programmable one-shot
P4
2
/INT
generating mode
1
CNTR
switch bit
X
Page 37 of 91
Output level latch
X
Pulse period measurement mode
CIN
Pulse width measurement mode
IN
2
active edge
Port P4
latch
“1”
“0”
7
(1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512, 1/1024)
Divider
Timer Z low-order latch
Timer Z low-order
f(X
Programmable one-shot
CIN
D
T
generating circuit
)
Q
Count source
selection bit
Programmable waveform
generating mode
Pulse output mode
Edge detection circuit
T
S
Q
Q
Timer Z high-order latch
CNTR
Timer Z high-order
Timer/Event
counter mode
switch bit
“1”
“1”
“0”
“0”
2
active edge switch bit
CNTR
switch bit
Pulse output mode
2
active edge
Timer Z count stop bit
“1”
“0”
Programmable one-shot
generating mode
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Data bus
To INT
request bit
To timer Z interrupt
request bit
To CNTR
request bit
1
interrupt
2
interrupt