D12312SVTEBL25 Renesas Electronics America, D12312SVTEBL25 Datasheet - Page 727
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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17.22.7 Programming/Erasing Interface
Programming/erasing is executed by downloading the on-chip program to the on-chip RAM and
specifying the program address/data and erase block by using the interface register/parameter.
The procedure program is made by the user in user program mode and user boot mode. The
overview of the procedure is as follows. For details, see section 17.24.2, User Program Mode.
1. Selection of on-chip program to be downloaded and setting of download destination
This LSI has programming/erasing programs and they can be downloaded to the on-chip
RAM. The on-chip program to be downloaded is selected by setting the corresponding bits in
the programming/erasing interface register. The download destination can be specified by
FTDAR.
Figure 17.64 Overview of User Procedure Program
No
(download program execution)
(download program execution)
Programming (in 128-byte
set download destination
Select on-chip program
to be downloaded and
FKEY and the SCO bits
Initialization execution
Programming/erasing
programming/erasing
Start user procedure
End user procedure
units) or erasing (in
program by setting
Download on-chip
one-block units)
program for
completed?
Yes
program
Rev.7.00 Feb. 14, 2007 page 693 of 1108
REJ09B0089-0700
Section 17 ROM
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