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H8/3021 Datasheet(PDF) 254 Page - Renesas Technology Corp

Part # H8/3021
Description  16-Bit Single-Chip Microcomputer
PDF  712 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3021 Datasheet(HTML) 254 Page - Renesas Technology Corp

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8. 16-Bit Integrated Timer Unit (ITU)
Rev.2.00 Mar. 22, 2007 Page 230 of 684
REJ09B0352-0200
TCNT value
GR
H'0000
STR bit
IMF
Time
Counter cleared by general
register compare match
Figure 8.16 Periodic Counter Operation
• Count timing
⎯ Internal clock source
Bits TPSC2 to TPSC0 in TCR select the system clock (
φ) or one of three internal clock
sources obtained by prescaling the system clock (
φ/2, φ4, φ/8).
Figure 8.17 shows the timing.
φ
TCNT input
TCNT
Internal
clock
N Ð 1
N
N + 1
Figure 8.17 Count Timing for Internal Clock Sources



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