HD64F3644PV Renesas Electronics America, HD64F3644PV Datasheet - Page 344
HD64F3644PV
Manufacturer Part Number
HD64F3644PV
Description
IC H8/3644 MCU FLASH 32K 64SDIP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3644PV
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-SDIP (0.750", 19.05mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3644PV
Manufacturer:
Renesas Electronics America
Quantity:
135
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Section 10 Serial Communication Interface
10.3.5
In synchronous mode, SCI3 transmits and receives data in synchronization with clock pulses. This
mode is suitable for high-speed serial communication.
SCI3 has separate transmission and reception units, allowing full-duplex communication with a
shared clock.
As the transmission and reception units are both double-buffered, data can be written during
transmission and read during reception, making possible continuous transmission and reception.
Data Transfer Format: The general data transfer format in synchronous communication is shown
in figure 10.15.
Serial
clock
Serial
data
In synchronous communication, data on the communication line is output from one falling edge of
the serial clock until the next falling edge. Data confirmation is guaranteed at the rising edge of the
serial clock.
One transfer data character begins with the LSB and ends with the MSB. After output of the MSB,
the communication line retains the MSB state.
When receiving in synchronous mode, SCI3 latches receive data at the rising edge of the serial
clock.
The data transfer format uses a fixed 8-bit data length.
Parity and multiprocessor bits cannot be added.
Rev. 6.00 Sep 12, 2006 page 322 of 526
REJ09B0326-0600
Note: * High level except in continuous transmission/reception
Don't
care
*
Operation in Synchronous Mode
LSB
Bit 0
Figure 10.15 Data Format in Synchronous Communication
Bit 1
One transfer data unit (character or frame)
Bit 2
Bit 3
8 bits
Bit 4
Bit 5
Bit 6
Bit 7
MSB
Don't
care
*
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