HD64F3687GH Renesas Electronics America, HD64F3687GH Datasheet - Page 313

• 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: -

Figure 16.6 Sample Serial Transmission Data Flowchart (Asynchronous Mode)
[1]
[2]
[3]
Write transmit data to TDR
Clear TE bit in SCR3 to 0
Read TDRE flag in SSR
Read TEND flag in SSR
All data transmitted?
Clear PDR to 0 and
Start transmission
Break output?
set PCR to 1
TDRE = 1
TEND = 1
<End>
Yes
Yes
Yes
No
Yes
No
No
No
Section 16 Serial Communication Interface 3 (SCI3)
[1] Read SSR and check that the
[2] To continue serial transmission,
[3] To output a break in serial
TDRE flag is set to 1, then write
transmit data to TDR. When data is
written to TDR, the TDRE flag is
automaticaly cleared to 0.
read 1 from the TDRE flag to
confirm that writing is possible,
then write data to TDR. When data
is written to TDR, the TDRE flag is
automaticaly cleared to 0.
transmission, after setting PCR to 1
and PDR to 0, clear TxD in PMR1
to 0, then clear the TE bit in SCR3
to 0.
Rev.5.00 Nov. 02, 2005 Page 279 of 500
REJ09B0027-0500