US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 136
US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 136 of 684
- Download datasheet (5Mb)
Section 4 Clock Pulse Generators
Prescaler W (PSW)
Prescaler W is a 5-bit counter using a 32.768 kHz/38.4 kHz signal divided by 4 (φ
/4) as its input
W
clock.
Prescaler W is initialized to H'00 by a reset, and starts counting on exit from the reset state.
Even in standby mode, watch mode, subactive mode, or subsleep mode, prescaler W continues
functioning so long as clock signals are supplied to pins X1 and X2.
Prescaler W can be reset by setting 1s in bits TMA3 and TMA2 of timer mode register A (TMA).
Output from prescaler W can be used to drive timer A, in which case timer A functions as a time
base for timekeeping.
Rev. 8.00 Mar. 09, 2010 Page 114 of 658
REJ09B0042-0800
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