R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1061
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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23.5.4
MII registers in the PHY-LSI are accessed via PIR in this LSI. PIR is used as a serial interface
conforming to the MII frame format specified in IEEE802.3u.
(1)
Figure 23.32 shows the format of an MII management frame. To access an MII register, a
management frame is implemented by the program in accordance with the procedures shown in
MII Register Access Procedure.
MII Management Frame Format
[Legend]
Accessing MII Registers
PRE:
ST:
OP:
PHYAD:
REGAD:
TA:
DATA:
IDLE:
Number of bits
Access Type
Read
Write
Item
32 consecutive 1s
Write of 01 indicating start of frame
Write of code indicating access type
Write of 0001 if the PHY-LSI address is 1 (sequential write starting with the MSB).
This bit changes depending on the PHY-LSI address.
Write of 000q if the register address is 1 (sequential write starting with the MSB).
This bit changes depending on the PHY-LSI register address.
Time for switching data transmission source on MII interface
(a) Write: 10 written
(b) Read: Bus release (notation: Z0) perdormed
16-bit data. Sequential write or read from MSB
(a) Write: 16-bit data write
(b) Read: 16-bit data read
Wait time until next MII management format input
(a) Write: Independent bus release (notation: X) performad
(d) Read: Bus already released in TA: control unnecessary
Figure 23.32 MII Management Frame Format
PRE
1..1
1..1
32
ST
01
01
2
OP
10
01
2
MII Management Frame
PHYAD
00001
00001
5
Section 23 Gigabit Ethernet Controller (GETHER)
REGAD
RRRRR
RRRRR
Rev. 2.00 May 22, 2009 Page 991 of 1982
5
TA
Z0
10
2
DATA
D..D
D..D
16
REJ09B0256-0200
IDLE
X
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