R8A77850ANBGV Renesas Electronics America, R8A77850ANBGV Datasheet - Page 800
R8A77850ANBGV
Manufacturer Part Number
R8A77850ANBGV
Description
IC SUPERH MPU ROMLESS 436-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R8A77850AADBGV.pdf
(1694 pages)
Specifications of R8A77850ANBGV
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
-20°C ~ 75°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:
R8A77850ANBGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 800 of 1694
- Download datasheet (9Mb)
16. Watchdog Timer and Reset (WDT)
16.3.5
WDTBCNT is a 32-bit read-only register comprising an 18-bit counter that is incremented by the
peripheral clock (Pck). When WDTBCNT overflows, WDTCNT is incremented and WDTBCNT
is cleared to H'0000 0000.
WDTBCNT is only reset by a power-on reset. Writing to this register is invalid.
Rev.1.00 Jan. 10, 2008 Page 768 of 1658
REJ09B0261-0100
Initial value:
Initial value:
Bit
31 to 18
17 to 0
R/W:
R/W:
Bit:
Bit:
Watchdog Timer Base Counter (WDTBCNT)
Bit Name
⎯
WDTBCNT All 0
31
15
⎯
R
R
0
0
30
⎯
14
R
R
0
0
29
⎯
13
R
R
0
0
Initial
Value
All 0
28
12
⎯
R
R
0
0
R/W
R
R
27
11
⎯
R
R
0
0
26
10
⎯
R
R
0
0
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Base counter value
25
⎯
R
R
0
9
0
WDTBCNT
24
⎯
R
R
0
8
0
23
⎯
R
R
0
7
0
22
⎯
R
R
0
6
0
21
⎯
R
R
0
5
0
20
⎯
R
R
0
4
0
19
⎯
R
R
0
3
0
18
⎯
R
R
0
2
0
WDTBCNT
17
R
R
0
1
0
16
R
R
0
0
0
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