D12312SVTEBL25 Renesas Electronics America, D12312SVTEBL25 Datasheet - Page 789
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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Bit-Rate-Adjustment State
The bit rate is calculated by measuring the period of transfer of a low-level byte (H'00) from the
host. The bit rate can be changed by the command for a new bit rate selection. After the bit rate
has been adjusted, the boot program enters the inquiry and selection state. The bit-rate-adjustment
sequence is shown in figure 17.83.
Programming/erasing
Operations for Erasing
User MATs and User
selection wait
Transition to
Programming/erasing
Boot MATs
Programming
Operations for
Bit-Rate-Adjustment
Programming
Inquiry/Selection
Figure 17.82 Boot Program States
State
wait
Reset
Inquiry
Erasing
Operations for
Operations for
Inquiry
Erasing
Rev.7.00 Feb. 14, 2007 page 755 of 1108
Selection
Checking
Operations for
Operations for
Selection
Checking
REJ09B0089-0700
Section 17 ROM
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