HD64F3687GH Renesas Electronics America, HD64F3687GH Datasheet - Page 97
HD64F3687GH
Manufacturer Part Number
HD64F3687GH
Description
IC H8 MCU FLASH 56K 64-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3684GFPV.pdf
(538 pages)
Specifications of HD64F3687GH
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
56KB (56K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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The address break simplifies on-board program debugging. It requests an address break interrupt
when the set break condition is satisfied. The interrupt request is not affected by the I bit of CCR.
Break conditions that can be set include instruction execution at a specific address and a
combination of access and data at a specific address. With the address break function, the
execution start point of a program containing a bug is detected and execution is branched to the
correcting program. Figure 4.1 shows a block diagram of the address break.
4.1
Address break has the following registers.
ABK0001A_000020020200
Address break control register (ABRKCR)
Address break status register (ABRKSR)
Break address register (BARH, BARL)
Register Descriptions
control circuit
generation
Interrupt
[Legend]
BARH, BARL: Break address register
BDRH, BDRL: Break data register
ABRKCR:
ABRKSR:
Figure 4.1 Block Diagram of Address Break
Section 4 Address Break
Address break control register
Address break status register
BARH
BDRH
Internal address bus
Comparator
Comparator
ABRKCR
ABRKSR
BARL
BDRL
Rev.5.00 Nov. 02, 2005 Page 63 of 500
Interrupt
Section 4 Address Break
REJ09B0027-0500
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