HD64F7047FW40V Renesas Electronics America, HD64F7047FW40V Datasheet - Page 604
HD64F7047FW40V
Manufacturer Part Number
HD64F7047FW40V
Description
MCU 5V 256K I-TEMP,PB-FREE 100-Q
Manufacturer
Renesas Electronics America
Series
SuperH® SH7047r
Datasheet
1.HD64F7047F50V.pdf
(766 pages)
Specifications of HD64F7047FW40V
Core Processor
SH-2
Core Size
32-Bit
Speed
40MHz
Connectivity
CAN, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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19.6.2
On-board programming/erasing of an individual flash memory block can also be performed in user
program mode by branching to a user program/erase control program. The user must set branching
conditions and provide on-board means of supplying programming data. The flash memory must
contain the user program/erase control program or a program that provides the user program/erase
control program from external memory. As the flash memory itself cannot be read during
programming/erasing, transfer the user program/erase control program to on-chip RAM or
external memory. Figure 19.6 shows a sample procedure for programming/erasing in user program
mode. Prepare a user program/erase control program in accordance with the description in section
19.8, Flash Memory Programming/Erasing.
Rev. 2.00, 09/04, page 562 of 720
Note: * Do not constantly apply a low level to the FWP pin. Only apply a low level to the FWP pin when
Figure 19.6 Programming/Erasing Flowchart Example in User Program Mode
programming or erasing the flash memory. To prevent excessive programming or excessive erasing,
while a low level is being applied to the FWP pin, activate the watchdog timer in case of handling CPU
runaways.
Programming/Erasing in User Program Mode
Execute user program/erase control
program (flash memory rewrite)
Branch to user program/erase
Transfer user program/erase
control program to RAM
control program in RAM
Branch to flash memory
application program
Program/erase?
FWP = low*
FWP = high
Reset-start
Yes
No
Branch to flash memory
application program
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