DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 693

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

Specifications of DF71251AD50FPV

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

19.3.6
STBCR6 is an 8-bit readable/writable register that specifies the state of the power-down modes.
Bit
7
6
5 to 2
1
0
Standby Control Register 6 (STBCR6)
Bit Name
UBCRST
HIZ
⎯
STBYMD
⎯
Initial value:
Initial
Value
0
0
All 0
0
0
R/W:
Bit:
R/W
UBC
RST
7
0
R/W
R/W
R/W
R
R
R/W
R/W
HIZ
6
0
Description
UBC Software Reset
Resetting the PC trace unit of UBC is controlled by
software.
Clearing this bit to 0 puts the PC trace unit of the UBC
module into the power-on reset state.
0: Puts the PC trace unit of UBC into the reset state
1: Releases reset in the PC trace unit of UBC
This bit is not supported on 32 Kbyte versions
(SH71251A, SH71241A) and 16 Kbyte versions
(SH71250A, SH71240A).
These bits are always read as 0. The write value should
always be 0.
Port High-Impedance
In software standby mode, this bit selects whether the
pin state is retained or changed to high-impedance.
0: In software standby mode, the pin state is retained
1: In software standby mode, the pin state is changed
to high-impedance
Reserved
These bits are always read as 0. The write value should
always be 0.
Software Standby Mode Select
If this bit is set to 1, executing SLEEP instruction with
the STBY bit in STBCR1 is 1 and makes transition to
software standby mode.
0: Setting prohibited
1: Makes transition to software standby mode
Reserved
This bit is always read as 0. The write value should
always be 0.
R
5
0
-
R
4
0
-
R
3
0
-
Rev. 5.00 Mar. 06, 2009 Page 673 of 770
R
2
0
-
STBY
R/W
MD
1
0
R
0
0
-
REJ09B0243-0500