R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 906
R5S77631Y266BGV
Manufacturer Part Number
R5S77631Y266BGV
Description
IC SUPERH MPU ROMLESS 499BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R5S77631Y266BGV.pdf
(2056 pages)
Specifications of R5S77631Y266BGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
266MHz
Connectivity
Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
107
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
499-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 23 Gigabit Ethernet Controller (GETHER)
23.3.22 Automatic PAUSE Frame Register (APR)
APR is used to set the TIME parameter value of an automatic PAUSE frame. When an automatic
PAUSE frame is transmitted, the value set in this register is used as the TIME parameter of the
PAUSE frame.
Rev. 2.00 May 22, 2009 Page 836 of 1982
REJ09B0256-0200
Bit
31 to 16
15 to 0
Initial value:
Initial value:
R/W:
R/W:
Bit:
Bit:
Bit Name
AP[15:0]
R/W
31
15
R
0
0
R/W
30
14
R
0
0
R/W
29
13
R
0
0
Initial
Value
All 0
All 0
R/W
28
12
R
0
0
R/W
27
11
R/W
R
R/W
R
0
0
R/W
26
10
R
0
0
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
Automatic PAUSE
These bits set the TIME parameter value of an
automatic PAUSE frame. One bit is equivalent to 512
bit-time.
When flow control is enabled in transmission (PAUSE
frame transmission) (TXF bit in ECMR = 1), set a value
other than H'0000 in these bits.
H'0000:
H'0001: 512 × 1 bit-time
H'0002: 512 × 2 bit-time
H'FFFF: 512 × 65,535 bit-time
Note: The bit-time becomes as follows according to
R/W
25
R
0
9
0
:
R/W
24
the transfer speed.
1000 Mbps: 1 bit-time = 1 ns
100 Mbps: 1 bit-time = 10 ns
10 Mbps: 1 bit-time = 100 ns
R
0
8
0
AP[15:0]
:
R/W
23
R
0
7
0
R/W
22
R
0
6
0
R/W
21
R
0
5
0
R/W
20
R
0
4
0
R/W
19
R
0
3
0
R/W
18
R
0
2
0
17
R
0
1
0
R/W
16
R
0
0
0
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