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H838086R Datasheet(PDF) 13 Page - Renesas Technology Corp

Part # H838086R
Description  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Super Low Power Series
PDF  697 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838086R Datasheet(HTML) 13 Page - Renesas Technology Corp

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Rev. 3.00 Aug 23, 2006 Page xiii of lxxviii
Item
Page
Revision (See Manual for Details)
4.6.1 Interrupt
Exception Handling
Sequence
Figure 4.3 Interrupt
Exception Handling
Sequence
93
Figure amended
(Before) Address bus
→ (After) Internal address bus
(Before)
RD → (After) Internal read signal
(Before)
HWR, LWR → (After) Internal write signal
(Before) D
15 to D0 → (After) Internal data bus
4.6.2 Interrupt
Response Times
Table 4.4 Interrupt
Response Times
(States)
94
Table amended
No.
Execution Status
Number of States
1
Interrupt mask level determination
1 or 2*
1
Note 1 amended
1. One state for internal interrupts and two states for external
interrupts.
4.7.2 Instructions that
Disable Interrupts
96
Description amended
When an interrupt request is generated, an interrupt is request is
sent to the CPU after the interrupt controller has determined the
mask level.
Section 5 Clock
Pulse Generators
Figure 5.1 Block
Diagram of Clock
Pulse Generators
(Masked ROM
Version) (2)
98
Figure amended
System
clock
oscillator
on-chip
oscillator
OSC1
IRQAEC
ROSC
OSC2
φOSC
(fOSC)
5.2 System Clock
Generator
Figure 5.2 Typical
Connection to Crystal
Resonator
101
Figure amended
Frequency
Manufacturer
4.19 MHz
Kyocera Kinseki
Corporation
Product Type
HC-491U-S
C
1, C2
Recommendation Value
22 pF ±20%
5.2.4 On-Chip
Oscillator Selection
Method (Supported
only by the Masked
ROM Version)
102
Description amended
... The setting takes effect when the rest is cleared. When the on-
chip oscillator is selected, ...



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