D12312SVF20V Renesas Electronics America, D12312SVF20V Datasheet - Page 724
D12312SVF20V
Manufacturer Part Number
D12312SVF20V
Description
IC H8S/2312S MCU ROMLESS 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12312SVF20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
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-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12312SVF20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 17 ROM
17.22.4 Mode Comparison
The comparison table of programming and erasing related items about boot mode, user program
mode, user boot mode, and PROM mode is shown in table 17.46.
Table 17.46 Comparison of Programming Modes
Programming/
Erasing
Environment
Programming/
Erasing Enable
MAT
Program/Erase
Control
All Erasure
Block Division
Erasure
Program Data
Transfer
RAM Emulation
Reset Initiation
MAT
Transition to User
Mode
Notes: 1. All-erasure is performed. After that, the specified block can be erased.
• The user boot MAT can be programmed or erased only in boot mode and PROM mode.
• The user MAT and user boot MAT are erased in boot mode. Then, the user MAT and user boot
• The boot operation of the optional interface can be performed by the mode pin setting different
Rev.7.00 Feb. 14, 2007 page 690 of 1108
REJ09B0089-0700
MAT can be programmed by means of the command method. However, the contents of the
MAT cannot be read until this state.
Only user boot MAT is programmed and the user MAT is programmed in user boot mode or
only user MAT is programmed because user boot mode is not used.
from user program mode in user boot mode.
2. Initiation starts from the embedded program storage MAT. After checking the flash-
memory related registers, initiation starts from the reset vector of the user MAT.
Boot mode
On-board
programming
User MAT
User boot MAT
Command method Programming/
From host via SCI From optional
×
Embedded
program storage
MAT
Mode setting
change and reset
(Automatic)
*
1
User program
mode
On-board
programming
User MAT
Erasing Interface
device via RAM
User MAT
FLSHE bit setting
change
On-board
programming
User boot mode
User MAT
Programming/
Erasing Interface
From optional
device via RAM
×
User boot MAT *
Mode setting
change and reset
2
PROM mode
On-board
programming
User MAT
User boot MAT
Command method
×
Via programmer
×
—
—
(Automatic)
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