R8A77850BDBGV#RD0Z Renesas Electronics America, R8A77850BDBGV#RD0Z Datasheet - Page 1340
![IC SUPERH MPU ROMLESS 436BGA](/photos/28/62/286211/436-bfbga_sml.jpg)
R8A77850BDBGV#RD0Z
Manufacturer Part Number
R8A77850BDBGV#RD0Z
Description
IC SUPERH MPU ROMLESS 436BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850BDBGV#RD0Z
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
-
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26. Serial Sound Interface (SSI) Module
26.3.2
SSISR is configured by status flags that indicate the operating status of the SSI module and bits
that indicate the current channel number and word number.
Rev.1.00 Jan. 10, 2008 Page 1308 of 1658
REJ09B0261-0100
Initial value:
Initial value:
Bit
31 to 29
28
R/W:
R/W:
Bit:
Bit:
Status Register (SSISR)
Bit Name
⎯
DMRQ
31
15
⎯
⎯
R
R
0
0
⎯
⎯
30
14
R
R
0
0
⎯
29
⎯
13
R
R
0
0
Initial
Value
0
0
DMRQ UIRQ
⎯
28
12
R
R
0
0
R/W*
R/W
R
R
27
11
⎯
R
0
0
R/W*
OIRQ
26
10
⎯
R
0
0
Description
Reserved
These bits are always read as an undefined value. The
write value should always be 0.
DMA Request Status Flag
This status flag allows the CPU to see the status of the
DMA request of SSI module.
TRMD = 0 (Receive Mode):
•
•
TRMD = 1 (Transmit Mode):
•
•
IIRQ
⎯
25
R
R
1
9
0
If DMRQ = 1 then SSIRDR has unread data.
If SSIRDR is read then DMRQ = 0 until there is new
unread data.
If DMRQ = 1, SSITDR requests data to be written to
continue the transmission onto the audio serial bus.
Once data is written to SSITDR then DMRQ = 0
until further transmit data is requested.
DIRQ
24
⎯
R
R
0
8
0
23
⎯
⎯
R
R
0
7
0
22
⎯
⎯
R
R
0
6
0
21
⎯
⎯
R
5
R
0
0
20
⎯
⎯
R
4
R
0
0
CHNO1 CHNO0 SWNO
19
⎯
3
R
0
R
0
18
⎯
2
R
0
R
0
17
⎯
R
1
R
0
1
IDST
16
⎯
R
R
0
0
1
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