D17760BP200AD Renesas Electronics America, D17760BP200AD Datasheet - Page 851

• Manufacturer Part Number: D17760BP200AD
• Description: IC SUPERH MPU ROMLESS 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

Specifications of D17760BP200AD

• Core Processor: SH-4
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 69
• Program Memory Type: ROMless
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

Bit
31 to 14
13 to 0
21.3.18 Low Speed Threshold Register (HcLSThreshold)
HcLSThreshold stores an 11-bit LST value that is used by HC to determine whether or not to
authorize the transfer of the LS packet of up to 8 bytes, before EOF. HC and HCD cannot change
this value.
Initial value:
Initial value:
Bit
31 to 12
11 to 0
R/W:
R/W:
Bit:
Bit:
Bit Name
⎯
PS
Bit Name
⎯
LST
31
15
R
R
0
0
-
-
30
14
-
R
-
R
0
0
29
13
R
R
0
0
-
-
Initial Value
All 0
All 0
Initial Value
All 0
H'628
28
12
R
R
0
0
-
-
R/W
27
11
R
0
0
-
R/W
R/W
R
R/W
R/W
R
R/W
26
10
R
0
1
-
R/W
25
R
-
0
9
1
Description
Reserved
These bits are always read as 0. Always write 0 to
this bit.
Periodic Start
After a hardware reset, this bit is cleared. Then, HCD
sets this bit to 1 during the HC initialization. The
value is calculated roughly as 10% subtracted from
the HcFmInterval value. When HcFmRemaining
reaches the specified value, processing of the
periodic lists will have priority over Control/Bulk
processing. HC will therefore start processing the
Interrupt list after completing the current Control or
Bulk transaction that is in progress.
Description
Reserved
These bits are always read as 0. Always write 0 to
this bit.
LS Threshold
This field contains a value which is compared to the
FR bit prior to initiating a Low Speed transaction. The
transaction is started only if the value of the FR bit is
equivalent to or larger than that of this bit. HCD
calculates the value of this bit taking transmission
and setup overhead into consideration.
R/W
24
R
0
8
0
-
R/W
23
R
0
0
7
-
LST
Rev. 2.00 Feb. 12, 2010 Page 767 of 1330
R/W
22
R
0
6
0
-
R/W
21
R
0
5
1
-
R/W
20
R
0
4
0
-
R/W
19
R
0
3
1
-
REJ09B0554-0200
R/W
18
R
0
2
0
-
R/W
17
R
0
1
0
-
R/W
16
R
0
0
0
-