HD64F3664H Renesas Electronics America, HD64F3664H Datasheet - Page 326
![IC H8 MCU FLASH 32K 64QFP](/photos/28/61/286103/64-bqfp__prqp0064gb-a_sml.jpg)
HD64F3664H
Manufacturer Part Number
HD64F3664H
Description
IC H8 MCU FLASH 32K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Datasheet
1.US3664-BAG1.pdf
(446 pages)
Specifications of HD64F3664H
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
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
External
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 17 EEPROM
2. Random Address Read
3. Sequential Read
Rev. 6.00 Mar. 24, 2006 Page 296 of 412
REJ09B0142-0600
SCL
SDA
[Legend]
R/W: R/W code (0 is for a write and 1 is for a read),
ACK: acknowledge
condition
This is a read operation with defined read address. A random address read requires a dummy
write to set read address. The EEPROM receives a start condition, slave address + R/W code
(R/W = 0), memory address (upper) and memory address (lower) sequentially. The EEPROM
outputs acknowledgement "0" after receiving memory address (lower) then enters a current
address read with receiving a start condition again. The EEPROM outputs the read data of the
address which was defined in the dummy write operation. After receiving acknowledgement
"1" and a following stop condition, the EEPROM stops the random read operation and returns
to a standby state.
The random address read operation is shown in figure 17.6.
This is a mode to read the data sequentially. Data is sequential read by either a current address
read or a random address read. If the EEPROM receives acknowledgement "0" after 1-byte
read data is output, the read address is incremented and the next 1-byte read data are coming
out. Data is output sequentially by incrementing addresses as long as the EEPROM receives
acknowledgement "0" after the data is output. The address will roll over and returns address
zero if it reaches the last address H'01FF. The sequential read can be continued after roll over.
The sequential read is terminated if the EEPROM receives acknowledgement "1" and a
following stop condition as the same manner as in the random address read.
The condition of a sequential read when the current address read is used is shown in figure
17.7.
Start
1
2
Slave address
3
4
5
6
Figure 17.6 Random Address Read Operation
7
R/W ACK
8
9
Upper memory
A15
1
address
A8
8
ACK
9
A7
lower memory
1
address
A0
8
ACK
9
condition
Start
1
2
Slave address
3
4
5
6
7
R ACK
8
9
D7
Read Data
1
D0
8
ACK
9
conditon
Stop
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