DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 91
![IC H8S/2437 MCU FLASH 128QFP](/photos/12/29/122945/df2437fv_sml.jpg)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 91 of 776
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3.1
This LSI has four operating modes (modes 1, 3, 5, and 7). These modes are determined by the
mode pin settings (MD2, MD1, and MD0). For normal program execution mode, the mode pins
must be set to mode 7. Do not change the mode pins while in the middle of an operation. Table 3.1
shows the MCU operating mode selection.
Table 3.1
Modes 0, 2, 4, and 6 are not available with this LSI.
After a reset in mode 7, the operation is started in single-chip mode. It is possible to shift to
extended mode when the EXPE bit in MDCR is set to 1.
Modes 1 and 5 are boot modes for flash memory programming/erasing. For details, refer to section
20, Flash Memory (0.18-μm F-ZTAT Version).
Mode 3 is on-chip emulation mode. The JTAG interface is controlled by the on-chip emulator, on-
chip emulation is possible.
MCU Operating
Mode
1
3
5
7
Operating Mode Selection
MCU Operating Mode Selection
MD2 MD1 MD0
0
0
1
1
Section 3 MCU Operating Modes
0
1
0
1
1
1
1
1
CPU Operating
Mode
Boot mode
Emulation
User boot mode
Advanced
Description
Flash memory programming/erasing
On-chip emulation mode
Flash memory programming/erasing
Single-chip mode with on-chip ROM
enable extended mode
Rev.2.00 May. 28, 2009 Page 51 of 732
REJ09B0059-0200
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