D12312SVTEBL25 Renesas Electronics America, D12312SVTEBL25 Datasheet - Page 811
D12312SVTEBL25
Manufacturer Part Number
D12312SVTEBL25
Description
IC H8S MCU ROMLESS 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12312SVTEBL25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
70
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
HD6412312SVTEBL25
HD6412312SVTEBL25
HD6412312SVTEBL25
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User-Boot Program Sum Check
The boot program will return the byte-by-byte total of the contents of the bytes of the user-boot
program.
Command
• Command, H'4A, (1 byte): Sum check for user-boot program
Response
• Response, H'5A, (1 byte): Response to the sum check of user-boot program
• Size (1 byte): The number of bytes that represents the checksum
• Checksum of user boot program (4 bytes): Checksum of user boot MATs
• SUM (1 byte): Sum check for data being transmitted
User-Program Sum Check
The boot program will return the byte-by-byte total of the contents of the bytes of the user
program.
Command
• Command, H'4B, (1 byte): Sum check for user program
Response
• Response, H'5B, (1 byte): Response to the sum check of the user program
• Size (1 byte): The number of bytes that represents the checksum
• Checksum of user boot program (4 bytes): Checksum of user MATs
• SUM (1 byte): Sum check for data being transmitted
This is fixed to 4.
The total of the data is obtained in byte units.
This is fixed to 4.
The total of the data is obtained in byte units.
H'2A: Address error
H'2B: Size error
H'4A
H'5A
H'4B
H'5B
The read address is not in the MAT.
The read size exceeds the MAT.
Size
Size
Checksum of user boot program
Checksum of user program
Rev.7.00 Feb. 14, 2007 page 777 of 1108
SUM
SUM
REJ09B0089-0700
Section 17 ROM
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