DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 804

• Manufacturer Part Number: DF2505FC26V
• Description: IC H8S/2505 MCU FLASH 144QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2505FC26V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 26MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 104
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 20 Flash Memory
5. After selection of the device and clock mode, inquiries for other required information should
6. A new bit rate should be selected with the new bit-rate selection (H'3F) command, according
7. After selection of the device and clock mode, the information of the user boot MAT and user
8. After making inquiries and selecting a new bit rate, issue the transition to
(9)
A programming selection command makes the boot program select the programming method, an
128-byte programming command makes it program the memory with data, and an erasing
selection command and block erasing command make it erase the block. The
programming/erasing commands are listed below.
Table 20.17 Programming/Erasing Command
Rev. 6.00 Sep. 24, 2009 Page 756 of 928
REJ09B0099-0600
Command
H'42
H'43
H'50
H'48
H'58
H'52
H'4A
H'4B
H'4C
H'4D
H'4F
be made, such as the multiplication-ratio inquiry (H'22) or operating frequency inquiry (H'23),
which are needed for a new bit-rate selection.
to the returned information on multiplication ratios and operating frequencies.
MAT should be made to inquire about the user boot MATs information inquiry (H'24), user
MATs information inquiry (H'25), erased block information inquiry (H'26), and programming
unit inquiry (H'27).
programming/erasing state command (H'40). The boot program will then enter the
programming/erasing state.
Programming/Erasing State
Command Name
User boot MAT programming
selection
User MAT programming selection Transfers the user MAT programming program
128-byte programming
Erasing selection
Block erasing
Memory read
User boot MAT sum check
User MAT sum check
User boot MAT blank check
User MAT blank check
Boot program status inquiry
Description
Transfers the user boot MAT programming
program
Programs 128 bytes of data
Transfers the erasing program
Erases a block of data
Reads the contents of memory
Checks the checksum of the user boot MAT
Checks the checksum of the user MAT
Checks whether the contents of the user boot
MAT are blank
Checks whether the contents of the user MAT
are blank
Inquires into the boot program’s status