D12312SVTEBL25 Renesas Electronics America, D12312SVTEBL25 Datasheet - Page 682
![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
standby mode. It is not initialized in software standby mode. RAMER settings should be made in
user mode or user program mode.
Flash memory area divisions are shown in table 17.29. To ensure correct operation of the
emulation function, the ROM for which RAM emulation is performed should not be accessed
immediately after this register has been modified. Normal execution of an access immediately
after register modification is not guaranteed.
Bits 7 to 4—Reserved: These bits cannot be modified and are always read as 0.
Bit 3—RAM Select (RAMS): Specifies selection or non-selection of flash memory emulation in
RAM. When RAMS = 1, all flash memory blocks are program/erase-protected.
Bit 3
RAMS
0
1
Bits 2 to 0—Flash Memory Area Selection (RAM2 to RAM0): These bits are used together
with bit 3 to select the flash memory area to be overlapped with RAM (see table 17.29).
Table 17.29 Flash Memory Area Divisions
RAM Area
H'FFDC00 to H'FFEBFF
H'000000 to H'000FFF
H'001000 to H'001FFF
H'002000 to H'002FFF
H'003000 to H'003FFF
H'004000 to H'004FFF
H'005000 to H'005FFF
H'006000 to H'006FFF
H'007000 to H'007FFF
Rev.7.00 Feb. 14, 2007 page 648 of 1108
REJ09B0089-0700
Description
Emulation not selected
Program/erase-protection of all flash memory blocks is disabled
Emulation selected
Program/erase-protection of all flash memory blocks is enabled
Block Name
RAM area, 4 kbytes
EB0 (4 kbytes)
EB1 (4 kbytes)
EB2 (4 kbytes)
EB3 (4 kbytes)
EB4 (4 kbytes)
EB5 (4 kbytes)
EB6 (4 kbytes)
EB7 (4 kbytes)
RAMS
0
1
1
1
1
1
1
1
1
RAM2
×
0
0
0
0
1
1
1
1
RAM1
×
0
0
1
1
0
0
1
1
(Initial value)
×: Don’t care
RAM0
×
0
1
0
1
0
1
0
1
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