DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 654

• 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: -

(b) Device Selection
The boot program will set the supported device to the specified device code. The program will
return the selected device code in response to the inquiry after this setting has been made.
Command
Response
Error response
(c) Clock Mode Inquiry
The boot program will return the supported clock modes in response to the clock mode inquiry.
Command
Response
Rev.2.00 May. 28, 2009 Page 614 of 732
REJ09B0059-0200
• Command, H'10, (one byte): Device selection
• Size (one byte): Amount of device-code data
• Device code (four bytes): Device code (ASCII code) returned in response to the supported
• SUM (one byte): Checksum
• Response, H'06, (one byte): Response to the device selection command
• Error response, H'90, (one byte): Error response to the device selection command
• Command, H'21, (one byte): Inquiry regarding clock mode
• Response, H'31, (one byte): Response to the clock-mode inquiry
• Size (one byte): Amount of data that represents the number of modes and modes
• Number of clock modes (one byte): The number of supported clock modes
• Mode (one byte): Values of the supported clock modes (i.e. H'01 means clock mode 1.)
• SUM (one byte): Checksum
This is fixed to 2
device inquiry
ACK will be returned when the device code matches.
ERROR : (one byte): Error code
H'00 indicates no clock mode or the device allows to read the clock mode.
H'10
H'06
H'21
H'31
H'11: Checksum error
H'21: Device code error, that is, the device code does not match
H'90
Size
Size
ERROR
Number of modes
Device code
Mode
SUM
···
SUM