DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 589
DF2437FV
Manufacturer Part Number
DF2437FV
Description
IC H8S/2437 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of DF2437FV
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Manufacturer
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Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
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The flash memory has the following features. Figure 20.1 shows a block diagram of the flash
memory.
20.1
• Size
• Two flash-memory MATs according to LSI initiation mode
• Programming/erasing interface by the download of on-chip program
• Programming/erasing time
• Number of programming
• Three on-board programming modes
ROM1250A_000020021100
Product Classification
H8S/2437
The on-chip flash memory has two memory spaces in the same address space (hereafter
referred to as memory MATs). The mode setting in the initiation determines which memory
MAT is initiated first. The MAT can be switched by using the bank-switching method after
initiation.
The user memory MAT is initiated at a power-on reset in user mode: 256 kbytes
The user boot memory MAT is initiated at a power-on reset in user boot mode: 8 kbytes
This LSI has a dedicated programming/erasing program. After downloading this program to
the on-chip RAM, programming/erasing can be performed by setting the argument parameter.
The flash memory programming time is 3 ms (typ.) in 128-byte simultaneous programming
and approximately 25 μs per byte. The erasing time is 1000 ms (typ.) per 64-kbyte block.
The number of flash memory programming can be up to 100 times at the minimum. (The value
ranged from 1 to 100 is guaranteed.)
Boot mode:
This mode is a program mode that uses an on-chip SCI interface. The user MAT and user boot
MAT can be programmed. This mode can automatically adjust the bit rate between the host
and this LSI.
User program mode:
The user MAT can be programmed by using any interface.
User boot mode:
The user boot program of any interface can be created and the user MAT can be programmed.
Section 20 Flash Memory (0.18-μm F-ZTAT Version)
Features
HD64F2437
ROM Size
256 kbytes
ROM Address
H'000000 to H'03FFFF
Rev.2.00 May. 28, 2009 Page 549 of 732
REJ09B0059-0200
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