R8A77850ADBGV Renesas Electronics America, R8A77850ADBGV Datasheet - Page 1392
R8A77850ADBGV
Manufacturer Part Number
R8A77850ADBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ADBGV
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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Company:
Part Number:
R8A77850ADBGV
Manufacturer:
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Quantity:
10 000
Company:
Part Number:
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Quantity:
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27. NAND Flash Memory Controller (FLCTL)
27.3.10 Ready Busy Timeout Counter (FLBSYCNT)
FLBSYCNT is a 32-bit read-only register.
The status of flash memory read by the status read is stored in the bits STAT7 to STAT0.
The timeout time set in bits RBTMOUT20 to RBTMOUT0 in FLBSYTMR is copied to bits
RBTIMCNT20 to RBTIMCNT0 and counting down is started when the FRB pin enters the busy
state. When values in bits RBTIMCNT20 to RBTIMCNT0 are decremented to 0, 1 the BTOERB
bit in FLINTDMACR is set to 1, and the occurrence of a timeout error is notified. In this case, an
FLSTE interrupt can be issued if an interrupt is enabled by the RBERINTE bit in FLINTDMACR.
Rev.1.00 Jan. 10, 2008 Page 1360 of 1658
REJ09B0261-0100
Initial value:
Initial value:
Bit
31 to 24
23 to 21
20 to 0
R/W:
R/W:
Bit:
Bit:
Bit Name
STAT[7:0]
—
RBTIMCNT[20:0] H'00000 R
31
15
R
R
0
0
30
14
R
R
0
0
29
13
R
R
0
0
28
12
STAT[7:0]
R
R
0
0
Initial
Value
H'00
All 0
27
11
R
R
0
0
R/W
R
R
26
10
R
R
0
0
25
R
R
0
9
0
Description
Indicate the value obtained by the status read from
flash memory
Reserved
These bits are always read as 0.
Ready Busy Timeout Counter
When the FRB pin enters the busy state, the values
of bits RBTMOUT20 to RBTMOUT0 in FLBSYTMR
are copied to these bits. These bits are counted
down while the FRB pin is busy. A timeout error
occurs when these bits are decremented to 0.
RBTIMCNT[15:0]
24
R
R
0
8
0
23
R
R
0
7
0
22
R
R
0
6
0
21
R
R
5
0
0
20
R
R
0
4
0
RBTIMCNT[20:16]
19
R
R
0
3
0
18
R
R
0
2
0
17
R
R
0
1
0
16
R
R
0
0
0
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