HD64F38024DV Renesas Electronics America, HD64F38024DV Datasheet - Page 231

• Manufacturer Part Number: HD64F38024DV
• Description: IC H8/SLP MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

Specifications of HD64F38024DV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI
• Peripherals: LCD, PWM, WDT
• Number Of I /o: 51
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Table 9.4 Explanation of Bits in Parameter "mode" of the File Open Routine
mode Bit
O_RDONLY (bit 0)
O_WRONLY (bit 1)
O_RDWR (bit 2)
O_CREAT (bit 3)
O_TRUNC (bit 4)
O_APPEND (bit 5)
Return value
Parameters
When there is a contradiction between the file processing specified by mode and the
properties of the actual file, error processing should be performed. When the file is
opened normally, the file number (a positive integer) is returned to subsequently read,
write, lseek, and close routines. The correspondence between file numbers and the
actual files must be managed by low-level interface routines. If the open operation fails,
-1 is returned.
Normal:
Error:
name:
mode:
flg:
mode
15
Description
When this bit is 1, the file is opened in read-only mode
When this bit is 1, the file is opened in write-only mode
When this bit is 1, the file is opened for both reading and
writing
When this bit is 1 and if a file with the filename given does not
exist, it is created
When this bit is 1 and if a file with the given filename exists,
the file contents are deleted, and the file size is set to 0
Sets the position within the file for the next read/write
operation
When 0: Set to read/write from file beginning
When 1: Set to read/write from file end
The file number for the successfully opened file
-1
Filename of the file
Specifies the type of processing when the file is opened
Specifies processing when the file is opened (always 0777)
5
4
3
2
1
0
0_RDONLY
0_WRONLY
0_RDWR
0_CREAT
0_TRUNC
0_APPEND
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