HD64F2612FA20 Renesas Electronics America, HD64F2612FA20 Datasheet - Page 360

• Manufacturer Part Number: HD64F2612FA20
• Description: IC H8S MCU FLASH 128K 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2612FA20

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 43
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 14 Serial Communication Interface (SCI)
14.3.7
SSR is a register containing status flags of the SCI and multiprocessor bits for transfer. 1 cannot
be written to flags TDRE, RDRF, ORER, PER, and FER; they can only be cleared. Some bit
functions of SSR differ between normal serial communication interface mode and Smart Card
interface mode.
Normal Serial Communication Interface Mode (When SMIF in SCMR is 0)
Bit
7
6
Rev. 7.00 Sep. 11, 2009 Page 324 of 566
REJ09B0211-0700
Bit Name
TDRE
RDRF
Serial Status Register (SSR)
Initial Value
1
0
R/W
R/W
R/W
Description
Transmit Data Register Empty
Displays whether TDR contains transmit data.
[Setting conditions]
•
•
[Clearing conditions]
•
•
Receive Data Register Full
Indicates that the received data is stored in RDR.
[Setting condition]
•
[Clearing conditions]
•
•
The RDRF flag is not affected and retains their
previous values when the RE bit in SCR is cleared to 0.
When the TE bit in SCR is 0
When data is transferred from TDR to TSR and
data can be written to TDR
When 0 is written to TDRE after reading TDRE = 1
When the DTC is activated by a TXI interrupt
request and writes data to TDR
When serial reception ends normally and receive
data is transferred from RSR to RDR
When 0 is written to RDRF after reading RDRF = 1
When the DTC is activated by an RXI interrupt and
transferred data from RDR