DF70845AD80FPV Renesas Electronics America, DF70845AD80FPV Datasheet - Page 1324
DF70845AD80FPV
Manufacturer Part Number
DF70845AD80FPV
Description
IC SUPERH MCU FLASH 112LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7080r
Datasheet
1.DF70844AD80FPV.pdf
(1644 pages)
Specifications of DF70845AD80FPV
Core Size
32-Bit
Program Memory Size
512KB (512K x 8)
Core Processor
SH-2
Speed
80MHz
Connectivity
EBI/EMI, FIFO, I²C, SCI, SSU
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
76
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
No. Of I/o's
76
Ram Memory Size
32KB
Cpu Speed
80MHz
Digital Ic Case Style
LQFP
Supply Voltage Range
3V To 3.6V, 4.5V To 5.5V
Embedded Interface Type
I2C, SCI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K570865S001BE - KIT STARTER FOR SH7086R0K570865S000BE - KIT STARTER FOR SH7086HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF70845AD80FPV
Manufacturer:
TAIYO
Quantity:
40 000
Company:
Part Number:
DF70845AD80FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 23 Flash Memory
23.5.3
This LSI has user boot mode which is initiated with different mode pin settings than those in user
program mode or boot mode. User boot mode is a user-arbitrary boot mode, unlike boot mode that
uses the on-chip SCI.
Only the user MAT can be programmed/erased in user boot mode. Programming/erasing of the
user boot MAT is only enabled in boot mode or programmer mode.
(1) User Boot Mode Initiation
Rev. 3.00 May 17, 2007 Page 1266 of 1582
REJ09B0181-0300
In the above example, the erasing program and programming program are downloaded to areas
excluding addresses (H'FFFFA000 to H'FFFFAFFF) to execute RAM emulation.
Download and initialization are performed only once at the beginning.
In this kind of operation, note the following:
For the mode pin settings to start up user boot mode, see table 23.1.
When the reset start is executed in user boot mode, the check routine for flash-memory related
registers runs. The RAM area about 1.2 kbytes from H'FFFF9800 and 4 bytes from
H'FFFFAFFC (a stack area) is used by the routine. While the check routine is running, NMI
and all other interrupts cannot be accepted. Neither can the AUD be used in this period. This
period is 100 µs while operating at an internal frequency of 40 MHz.
Next, processing starts from the execution start address of the reset vector in the user boot
MAT. At this point, H'AA is set to the flash MAT select register (FMATS) because the
execution MAT is the user boot MAT.
• Be careful not to destroy on-chip RAM with overlapped settings.
• Be sure to initialize both the erasing program and programming program.
User Boot Mode
In addition to the RAM emulation area, erasing program area, and programming
program area, areas for the user procedure programs, work area, and stack area are
reserved in on-chip RAM. Do not make settings that will overwrite data in these areas.
Initialization by setting the FPEFEQ and FUBRA parameters must be performed for
both the erasing program and the programming program. Initialization must be
executed for both entry addresses: (download start address for erasing program) + 32
bytes (H'FFFF9020 in this example) and (download start address for programming
program) + 32 bytes (H'FFFF9820 in this example).
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