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M38045F2HKP датащи(PDF) 166 Page - Renesas Technology Corp

номер детали M38045F2HKP
подробное описание детали  8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  387 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

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2-42
APPLICATION
2.3 Timer
Rev.1.00 Jan 14, 2005
REJ09B0212-0100Z
3804 Group (Spec.H)
Fig. 2.3.26 Relevant registers setting
TZM
TZH
FF16
TZL
01
0
1
INTSEL
1
b0
b7
b0
b7
b0
b7
b0
b7
INT0/timer Z interrupt source: Timer Z interrupt
INT4/CNTR2 interrupt source: CNTR2 interrupt
Timer Z mode register (address 002A16)
Timer Z operating mode: Pulse width measurement mode
Timer Z count: Stop
Clear to “0” when starting count
Timer Z high-order (address 002916)
Timer Z low-order (address 002816)
Set initial value “FFFF16” before starting pulse
width measurement. (When not setting the
initial value, count is started from the timer
value before measurement start.)
Interrupt source selection register (address 003916)
Write in latch and timer at the same time
CNTR2 active edge switch: “H” level width measurement
IREQ1
0
b0
b7
Interrupt request register 1 (address 003C16)
Timer Z interrupt request
(Set to “1” automatically when Timer Z underflows)
Timer Z interrupt: Enabled
ICON1
1
b0
b7
Interrupt control register 1 (address 003E16)
IREQ2
0
b0
b7
Interrupt request register 2 (address 003D16)
CNTR2 interrupt request
(Set to “1” automatically when “H” level input came to the end)
10
TYZCSS
01
0
1
b0
b7
Timer Y, Z count source selection register (address 000F16)
Timer Z count source: f(XIN)/16
FF16
1
CNTR2 interrupt: Enabled
ICON2
1
b0
b7
Interrupt control register 2 (address 003F16)
P4D
0
b0
b7
Port P4 direction register (address 000916)
P47/CNTR2: Input mode



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