HD6417760BP200AD Renesas Electronics America, HD6417760BP200AD Datasheet - Page 709
HD6417760BP200AD
Manufacturer Part Number
HD6417760BP200AD
Description
IC SUPERH MPU ROMLESS 256BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417760BP200ADV.pdf
(1418 pages)
Specifications of HD6417760BP200AD
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
69
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Price
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Part Number:
HD6417760BP200AD
Manufacturer:
RENESAS
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Part Number:
HD6417760BP200AD
Manufacturer:
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Thus, the reception margin in asynchronous mode is given by formula (1).
M: Receive margin (%)
N: Ratio of bit rate to clock (N = 16)
D: Clock duty (D = 0 to 1.0)
L:
F:
From equation (1), if F = 0 and D = 0.5, the reception margin is 46.875%, as given by formula (2).
When D = 0.5 and F = 0:
However, this is a theoretical value. A reasonable margin to allow in system designs is 20% to
30%.
Frame length (L = 9 to 12)
Absolute value of clock rate deviation
Synchronization
sampling timing
Data sampling
Receive data
M = (0.5 – 1 / (2 × 16) ) × 100% = 46.875% ......................................................... (2)
M= (0.5 -
(SCIF_RXD)
Base clock
Figure 17.22 Receive Data Sampling Timing in Asynchronous Mode
timing
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5
2N
1
Start bit
8 clocks
) - (L - 0.5) F -
16 clocks
–7.5 clocks
| D - 0.5 |
N
+7.5 clocks
(1 + F) × 100 % .................... (1)
Rev. 2.00 Feb. 12, 2010 Page 625 of 1330
D0
REJ09B0554-0200
D1
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