R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 836
R8A77800ANBGAV
Manufacturer Part Number
R8A77800ANBGAV
Description
IC SUPERH MPU ROMLESS 449-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77800ANBGV.pdf
(1342 pages)
Specifications of R8A77800ANBGAV
Core Processor
SH-4A
Core Size
32-Bit
Speed
400MHz
Connectivity
Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
Peripherals
DMA, POR, WDT
Number Of I /o
75
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
449-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:
R8A77800ANBGAV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 21 Serial Communication Interface with FIFO (SCIF)
(2)
Either an internal clock generated by the on-chip baud rate generator or an external
synchronization clock input at the SCIF_SCK pin can be selected as the SCIF's serial clock,
according to the settings of the C/A bit in SCSMR and the CKE1 and CKE0 bits in SCSCR. For
details of SCIF clock source selection, see table 17.5.
When the SCIF is operated on an internal clock, the synchronization clock is output from the
SCIF_SCK pin. Eight synchronization clock pulses are output in the transfer of one character, and
when no transfer is performed the clock is fixed high. When an internal clock is selected in a
receive operation only, as long as the RE bit in SCSCR is set to 1, clock pulses are output until the
number of receive data bytes in the receive FIFO data register reaches the receive trigger number.
(3)
Before transmitting and receiving data, it is necessary to clear the TE and RE bits in SCSCR to 0,
then initialize the SCIF as described below.
When changing the operating mode or transfer format, etc., the TE and RE bits must be cleared to
0 before making the change using the following procedure. When the TE bit is cleared to 0,
SCTSR is initialized. Note that clearing the RE bit to 0 does not initialize the RDF, PER, FER, or
ORER flag state or change the contents of SCFRDR.
Figure 21.16 shows a sample SCIF initialization flowchart.
Rev.1.00 Dec. 13, 2005 Page 784 of 1286
REJ09B0158-0100
Clock
SCIF Initialization (Clocked Synchronous Mode):
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