R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 815

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

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: -

21.3.11 Receive FIFO Data Count Register n (SCRFDR)
SCRFDR is a 16-bit register that indicates the number of receive data bytes stored in SCFRDR.
SCRFDR can always be read from the CPU.
Initial value:
Bit
15 to 7
6 to 0
R/W:
Bit:
Bit Name
—
R6 to R0
15

R
0
14

R
0
13

R
0
Initial
Value
All 0
All 0
12

R
0
11

R
0
R/W
R
R
10

R
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
SCFRDR. A value of H'00 indicates that there is no
receive data, and a value of H'40 indicates that
SCFRDR is full of receive data.
These bits show the number of receive data bytes in
Section 21 Serial Communication Interface with FIFO (SCIF)

R
9
0

R
8
0

R
7
0
Rev.1.00 Dec. 13, 2005 Page 763 of 1286
R6
R
6
0
R5
R
5
0
R4
R
4
0
R3
R
3
0
REJ09B0158-0100
R2
R
2
0
R1
R
1
0
R0
R
0
0