DF2506BR26DV Renesas Electronics America, DF2506BR26DV Datasheet - Page 631

• Manufacturer Part Number: DF2506BR26DV
• Description: IC H8S/2506 MCU FLASH 176-LFBGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2506BR26DV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 26MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 104
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

17.3.21 IEBus Receive Status Register (IERSR)
IERSR detects receive data ready, receive start, transmit/receive normal completion, or receive
completion with an error. Each status flag in IERSR corresponds to a bit in the IEIER that
enables/disables each interrupt.
Bit
7
6 to 3 ⎯
2
Bit Name
RxRDY
RxS
Initial
Value
1
All 0
0
R/W
R/W
⎯
R/W
Description
Receive Data Ready
Indicates that the receive data is stored in IERBR and that
the receive data can be read. This flag is automatically
cleared by DTC* data transfer. When data is transmitted
by the CPU, this flag must be cleared by software.
[Setting condition]
•
[Clearing conditions]
•
•
Reserved
These bits are always read as 0 and cannot be modified.
Receive Start Detection
Indicates that the IEB starts reception.
[Setting conditions]
•
•
[Clearing condition]
•
Note: This flag cannot be cleared on the end byte of the
When data reception has been completed normally
and receive data has been loaded to IERBR.
When writing 0 after reading RxRDY = 1
When IERBR data is read by the DTC by a RxRDY
request.
Master reception: When the message length field has
been received from the slave unit correctly after the
arbitration is won and the control field transmission is
completed
Slave reception: When the message length field has
been received from the master unit correctly
When writing 0 after reading RxS = 1
DTC transfer.
Section 17 IEBus™ Controller (IEB) [H8S/2552 Group]
Rev. 6.00 Sep. 24, 2009 Page 583 of 928
REJ09B0099-0600