HD64F3694FY Renesas Electronics America, HD64F3694FY Datasheet - Page 309
HD64F3694FY
Manufacturer Part Number
HD64F3694FY
Description
IC H8 MCU FLASH 32K 48-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.HD64F3694GFYV.pdf
(452 pages)
Specifications of HD64F3694FY
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
PWM, WDT
Number Of I /o
29
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
48-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HD64F3694FYJV
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
HD64F3694FYV
Manufacturer:
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Quantity:
10 000
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17.2
Pins used in the EEPROM are listed in table 17.1.
Table 17.1 Pin Configuration
17.3
The EEPROM has a following register.
17.3.1
EKR is an 8-bit readable/writable register, which changes the slave address code written in the
EEPROM. The slave address code is changed by writing H'5F in EKR and then writing either of
H'00 to H'07 as an address code to the H'FF09 address in the EEPROM by the byte write method.
EKR is initialized to H'FF.
Pin name
Serial clock pin
Serial data pin
EEPROM key register (EKR)
Input/Output Pins
Register Description
EEPROM Key Register (EKR)
Symbol
SCL
SDA
Input/Output
Input
Input/Output
Function
The SCL pin is used to control serial input/output
data timing. The data is input at the rising edge of
the clock and output at the falling edge of the clock.
The SCL pin needs to be pulled up by resistor as that
pin is open-drain driven structure of the I
proper resistor value for your system by considering
V
DC Characteristics and in section 21.2.3, AC
Characteristics. Maximum clock frequency is 400
kHz.
The SDA pin is bidirectional for serial data transfer.
The SDA pin needs to be pulled up by resistor as that
pin is open-drain driven structure. Use proper
resistor value for your system by considering V
and the C
Characteristics and in section 21.2.3, AC
Characteristics. Except for a start condition and a
stop condition which will be discussed later, the high-
to-low and low-to-high change of SDA input should
be done during SCL low periods.
OL
, I
OL
, and the C
IN
pin capacitance in section 21.2.2, DC
Rev.5.00 Nov. 02, 2005 Page 279 of 418
IN
pin capacitance in section 21.2.2,
Section 17 EEPROM
REJ09B0028-0500
2
C pin. Use
OL
, I
OL
,
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