DF2110BVTE10 Renesas Electronics America, DF2110BVTE10 Datasheet - Page 279
![MCU 3V 64K 100-TQFP](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2110BVTE10
Manufacturer Part Number
DF2110BVTE10
Description
MCU 3V 64K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2110BVTE10V.pdf
(561 pages)
Specifications of DF2110BVTE10
Core Processor
H8S/2000
Core Size
16-Bit
Speed
10MHz
Connectivity
Host Interface (LPC), I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
82
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
HD64F2110BVTE10
HD64F2110BVTE10
HD64F2110BVTE10
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2110BVTE10V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 279 of 561
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12.4.2
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. Since receive data is latched internally at the rising edge of the 8th pulse
of the basic clock, data is latched at the middle of each bit, as shown in figure 12.3. Thus the
reception margin in asynchronous mode is determined by formula (1) below.
Assuming values of F = 0 and D = 0.5 in formula (1), the reception margin is determined by the
formula below.
However, this is only the computed value, and a margin of 20% to 30% should be allowed in
system design.
Internal
basic clock
Receive data
(RxD)
Synchronization
sampling timing
Data sampling
timing
M = (0.5 –
M = {0.5 – 1/(2 × 16)} × 100
Receive Data Sampling Timing and Reception Margin in Asynchronous Mode
}
M: Reception margin (%)
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
Figure 12.3 Receive Data Sampling Timing in Asynchronous Mode
2N
1
0
) –
8 clocks
Start bit
D – 0.5
N
16 clocks
(1 + F) – (L – 0.5) F } × 100
7
[%] = 46.875 %
Section 12 Serial Communication Interface (SCI)
15 0
Rev. 2.00 Mar 21, 2006 page 239 of 518
D0
[%]
... Formula (1)
7
REJ09B0299-0200
15 0
D1
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