R8A77850AADBGV Renesas Electronics America, R8A77850AADBGV Datasheet - Page 1327
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R8A77850AADBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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25.5.6
It is possible to stop or resume the supply of clock to the HAC using the MSTP16 and MSTP17
bits in the standby control register 0 (MSTPCR0), which is a register used in power-down modes.
To cancel module standby function and resume the supply of clock to the HAC, write 0 to the
MSTP16 and MSTP17 bits in the standby control register 0 (MSTPCR0). It enables all accesses to
the HAC.
To place the HAC into the power-down mode, take the following steps:
1. Check that all data transfers have ended. Also check that the transmit buffer is empty and the
2. Disable all DMA requests and interrupt requests.
3. Place the codec into power-down mode.
4. Write 0 to the MSTP16 and MSTP17 bits in the standby control register 0 (MSTPCR0).
25.5.7
The HAC_SYNC signal is generated by the HAC to indicate the position of slot 0 within a frame.
When using the two channels of the HAC concurrently, connect the HAC_RES pin to the reset
pins of the two codecs.
25.5.8
AC'97 Component Specification, Revision 2.1
receive buffer has been read out to be empty.
Power-Down Mode
Notes
Reference
Rev.1.00 Jan. 10, 2008 Page 1295 of 1658
25. Audio Codec Interface (HAC)
REJ09B0261-0100
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