HD64F3687GH Renesas Electronics America, HD64F3687GH Datasheet - Page 383

• Manufacturer Part Number: HD64F3687GH
• Description: IC H8 MCU FLASH 56K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3687GH

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 45
• Program Memory Size: 56KB (56K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

The H8/3687N has an on-chip 512-byte EEPROM. The block diagram of the EEPROM is shown
in figure 19.1.
19.1
Two writing methods:
1-byte write
Page write: Page size 8 bytes
Three reading methods:
Current address read
Random address read
Sequential read
Acknowledge polling possible
Write cycle time:
10 ms (power supply voltage Vcc = 2.7 V or more)
Write/Erase endurance:
10
Data retention:
10 years after the write cycle of 10
Interface with the CPU
I
Device code 1010
Sleep address code can be changed (initial value: 000)
The I
2
C bus interface (complies with the standard of Philips Corporation)
4
cycles/byte (byte write mode), 10
2
C bus is open to the outside, so the EEPROM can be directly accessed from the outside.
Features
Section 19 EEPROM
4
cycles (page write mode)
5
cycles/page (page write mode)
Rev.5.00 Nov. 02, 2005 Page 349 of 500
Section 19 EEPROM
REJ09B0027-0500