DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 668

• 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: -

The sequences of erasure selection commands and block erasure commands are shown in figure
20.24.
(a) Erasure Selection
The boot program will transfer the erasure program. User MAT data is erased by the transferred
erasure program.
Command
Response
Error Response
Rev.2.00 May. 28, 2009 Page 628 of 732
REJ09B0059-0200
• Command, H'48, (one byte): Erasure selection
• Response, H'06, (one byte): Response for erasure selection
• Error response, H'C8, (one byte): Error response to erasure selection
• ERROR: (one byte): Error code
After the erasure program has been transferred, ACK will be returned.
H'54:
completed)
H'48
H'06
Selection processing error (transfer error occurs and processing is not
Repeat
H'C8
Host
ERROR
Figure 20.24 Erasure Sequence
Preparation for erasure (H'48)
Erasure (Erasure block number)
Erasure (H'FF)
ACK
ACK
ACK
Transfer of erasure
Boot program
Erasure
program