R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 1283
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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29.3.10 FIFO Control Register (SIFCTR)
SIFCTR is a 16-bit readable/writable register that indicates the area available for the
transmit/receive FIFO transfer.
Initial value:
Bit
15 to 13 TFWM[2:0]
12 to 8
R/W:
BIt:
Bit Name
TFUA[4:0]
R/W
15
0
TFWM[2:0]
R/W
14
0
R/W
13
0
Initial
Value
000
10000
12
R
1
R/W
R/W
R
11
R
0
TFUA[4:0]
10
R
0
Description
Transmit FIFO Watermark
000: Issue a transfer request when 16 stages of the
001: Setting prohibited
010: Setting prohibited
011: Setting prohibited
100: Issue a transfer request when 12 or more stages
101: Issue a transfer request when 8 or more stages of
110: Issue a transfer request when 4 or more stages of
111: Issue a transfer request when 1 or more stages of
•
•
Note: * When the transmit data is DMA-transferred with
Transmit FIFO Usable Area
Indicate the number of words that can be transferred by
the CPU or DMAC as B'00000 (full) to B'10000 (empty).
R
9
0
A transfer request to the transmit FIFO is issued by
the TDREQE bit in SISTR.
The transmit FIFO is always used as 16 stages of
the FIFO regardless of these bit settings.
transmit FIFO are empty.
of the transmit FIFO are empty.
the transmit FIFO are empty.
the transmit FIFO are empty.
transmit FIFO are empty.
the TDMAE bit in the SIIER register set to 1,
the TFWM[2:0] bits should not be set to B'111.
If these bits are set to B'111, a transmit FIFO
overflow may occur.
R
8
0
R/W
7
0
RFWM[2:0]
Rev. 2.00 May 22, 2009 Page 1213 of 1982
R/W
6
0
Section 29 Serial I/O with FIFO (SIOF)
R/W
5
0
R
4
0
R
3
0
RFUA[4:0]
REJ09B0256-0200
R
2
0
R
1
0
R
0
0
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