D12363VTE33 Renesas Electronics America, D12363VTE33 Datasheet - Page 638
D12363VTE33
Manufacturer Part Number
D12363VTE33
Description
MCU 3V 0K 120-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2368VTE34V.pdf
(1044 pages)
Specifications of D12363VTE33
Core Processor
H8S/2000
Core Size
16-Bit
Speed
33MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
84
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
120-TQFP, 120-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
HD6412363VTE33
HD6412363VTE33
HD6412363VTE33
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12363VTE33V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 14 Serial Communication Interface (SCI, IrDA)
14.4.2
In asynchronous mode, the SCI operates on a basic clock with a frequency of 16 times the bit rate.
In reception, the SCI samples the falling edge of the start bit using the basic clock, and performs
internal synchronization. Receive data is latched at the middle of each bit by sampling the data at
the rising edge of the 8th pulse of the basic clock as shown in figure 14.3. Thus the reception
margin in asynchronous mode is given by formula (1) below.
Where M: Reception Margin
Assuming values of F = 0 and D = 0.5 in formula (1), a reception margin is given by formula
below.
M = {0.5 – 1/(2 × 16)} × 100 [%] = 46.875%
However, this is only the computed value, and a margin of 20% to 30% should be allowed in
system design.
Rev.6.00 Mar. 18, 2009 Page 578 of 980
REJ09B0050-0600
M = { (0.5 –
Internal base
clock
Receive data
(RxD)
Synchronization
sampling timing
Data sampling
timing
N: Ratio of bit rate to clock (N = 16)
D: Clock duty (D = 0.5 to 1.0)
L: Frame length (L = 9 to 12)
F: Absolute value of clock rate deviation
Receive Data Sampling Timing and Reception Margin in Asynchronous Mode
Figure 14.3 Receive Data Sampling Timing in Asynchronous Mode
2N
1
) – (L – 0.5) F –
0
8 clocks
Start bit
16 clocks
7
D – 0.5
N
(1 + F) }
15 0
100 [%]
D0
7
... Formula (1)
15 0
D1
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