D12312SVTEBL25 Renesas Electronics America, D12312SVTEBL25 Datasheet - Page 796
![IC H8S MCU ROMLESS 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
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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Section 17 ROM
• SUM (1 byte): Checksum
(6) Operating Clock Frequency Inquiry
The boot program will return the number of operating clock frequencies, and the maximum and
minimum values.
Command
• Command, H'23, (1 byte): Inquiry regarding operating clock frequencies
Response
• Response, H'33, (1 byte): Response to operating clock frequency inquiry
• Size (1 byte): The number of bytes that represents the minimum values, maximum values, and
• A number of types (1 byte): The number of supported operating clock frequency types
• Minimum value of operating clock frequency (2 bytes): The minimum value of the multiplied
• Maximum value (2 bytes) : Maximum value among the multiplied or divided clock
• SUM (1 byte): Checksum
Rev.7.00 Feb. 14, 2007 page 762 of 1108
REJ09B0089-0700
⎯ Division ratio: The inverse of the division ratio, i.e. a negative number (e.g. when the clock
The number of multiplication ratios returned is the same as the number of multiplication ratios
and as many groups of data are returned as there are types.
the number of types.
(e.g. when there are two operating clock frequency types, which are the main and peripheral
clocks, the number of types will be H'02.)
or divided clock frequency.
The minimum and maximum values represent the values in MHz, valid to the hundredths place
of MHz, and multiplied by 100. (e.g. when the value is 20.00 MHz, it will be D'2000 and
H'07D0.)
frequencies.
There are as many pairs of minimum and maximum values as there are operating clock
frequencies.
is divided by two, the value of division ratio will be H'FE. H'FE = D'-2)
H'23
H'33
The minimum value of
operating clock frequency
···
SUM
Size
A number of operating
clock frequencies
The maximum value of operating clock
frequency
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