DF2552BR26DV Renesas Electronics America, DF2552BR26DV Datasheet - Page 620

• Manufacturer Part Number: DF2552BR26DV
• Description: IC H8S/2552 MCU FLASH 176-LFBGA
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2552BR26DV

• 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: -

Section 17 IEBus™ Controller (IEB) [H8S/2552 Group]
17.3.17 IEBus General Flag Register (IEFLG)
IEFLG indicates the IEB command execution status, lock status and slave address match, and
broadcast reception detection. This register cannot be modified.
Rev. 6.00 Sep. 24, 2009 Page 572 of 928
REJ09B0099-0600
Bit
7
6
Bit Name
CMX
MRQ
0
Initial
Value
0
R/W
R
R
Description
Command Execution Status
Indicates the command execution status.
1: A command is being executed
[Setting condition]
•
0: A command execution is completed
[Clearing condition]
•
Master Communications Request
Indicates whether or not the unit is in communications
request state as a master unit.
1: The unit is in communications request state as a master
[Setting condition]
•
0: The unit is not in communications request status as a
[Clearing condition]
•
unit
communications request command is issued
master unit
When a master communications request or slave
transmit request command is issued while the MRQ,
SRQ, or SRE flag is set to 1
When a command execution has been completed
When the CMX flag is cleared to 0 after the master
When the master communications have been
completed