HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 542

• Manufacturer Part Number: HD6417720BP133BV
• Description: SH3-DSP, WITH USB AND LCDC, PB-F
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417720BP133BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 117
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Data Converters: A/D 4x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Section 13 Power-Down Modes
13.3
There are following five registers related to power-down modes. Refer to section 37, List of
Registers, for more details on the addresses and states of these registers in each operating mode.
• Standby control register (STBCR)
• Standby control register 2 (STBCR2)
• Standby control register 3 (STBCR3)
• Standby control register 4 (STBCR4)
• Standby control register 5 (STBCR5)
13.3.1
STBCR is an 8-bit readable/writable register that specifies the state of power-down modes.
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Bit
7
6, 5
4
Bit Name
STBY
⎯
STBXTL
Register Descriptions
Standby Control Register (STBCR)
Initial
Value
0
All 0
0
R/W
R/W
R
R/W
Description
Standby
Specifies transition to software standby mode.
0: Executing SLEEP instruction enters chip into sleep
1: Executing SLEEP instruction enters chip into software
Reserved
These bits are always read as 0. The write value should
always be 0.
Standby Crystal
Specifies halt/operation of a crystal oscillator in standby
mode.
0: Crystal oscillator is halted in standby mode
1: Crystal oscillator is operated continuously in standby
mode
standby mode
mode
SH7720 Group, SH7721 Group
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010