DF2552BR26DV Renesas Electronics America, DF2552BR26DV Datasheet - Page 179

• 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: -

7.3.5
BCRL performs selection of the external bus-released state protocol, and enabling or disabling of
the WAIT pin input.
Bit
2 to 0 ⎯
Bit
7
6
5
4
3
2, 1
0
Bit Name
BRLE
⎯
⎯
⎯
⎯
⎯
WAITE
Bit Name
Bus Control Register L (BCRL)
Initial
Value
All 0
Initial
Value
0
0
0
0
1
All 0
0
R/W
R/W
R/W
–
R/W
R/W
R/W
R/W
R/W
R/W
Reserved
The write value should always be 0.
Description
Bus Release Enable
Enables or disables external bus release.
0: External bus release is disabled. BREQ and BACK can
1: External bus release is enabled.
Reserved
The write value should always be 0.
Reserved
This bit is always read as 0 and cannot be modified.
Reserved
The write value should always be 0.
Reserved
The write value should always be 1.
Reserved
The write value should always be 0.
WAIT Pin Enable
Selects enabling or disabling of wait input by the WAIT pin.
0: Wait input by the WAIT pin is disabled. The WAIT pin
1: Wait input by the WAIT pin is enabled.
Description
be used as I/O ports.
can be used as I/O port.
Rev. 6.00 Sep. 24, 2009 Page 131 of 928
Section 7 Bus Controller
REJ09B0099-0600