R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1078
R8A77850AADBGV
Manufacturer Part Number
R8A77850AADBGV
Description
IC SUPERH MCU 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850AADBGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
600MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
108
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1 V ~ 1.2 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
436-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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21. Serial Communication Interface with FIFO (SCIF)
21.3.1
SCRSR is the register used to receive serial data.
The SCIF sets serial data input from the SCIF_RXD pin in SCRSR in the order received, starting
with the LSB (bit 0), and converts it to parallel data. When one byte of data has been received, it is
transferred to SCFRDR, automatically.
SCRSR cannot be directly read from and written to by the CPU.
21.3.2
SCFRDR is an 8-bit FIFO register of 64 stages that stores received serial data.
When the SCIF has received one byte of serial data, it transfers the received data from SCRSR to
SCFRDR where it is stored, and completes the receive operation. SCRSR is then enabled for
reception, and consecutive receive operations can be performed until SCFRDR is full.
SCFRDR is a read-only register, and cannot be written to by the CPU.
If a read is performed when there is no receive data in SCFRDR, an undefined value is returned.
When SCFRDR is full of receive data, subsequent serial data is lost.
Rev.1.00 Jan. 10, 2008 Page 1046 of 1658
REJ09B0261-0100
Receive Shift Register (SCRSR)
Receive FIFO Data Register (SCFRDR)
Initial value:
Initial value:
R/W:
R/W:
BIt:
BIt:
⎯
⎯
⎯
R
7
7
⎯
⎯
⎯
R
6
6
⎯
⎯
⎯
R
5
5
⎯
⎯
⎯
R
4
4
⎯
⎯
⎯
R
3
3
⎯
⎯
⎯
R
2
2
⎯
⎯
⎯
R
1
1
⎯
⎯
⎯
R
0
0
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