DS72011RB120FPV Renesas Electronics America, DS72011RB120FPV Datasheet - Page 756
DS72011RB120FPV
Manufacturer Part Number
DS72011RB120FPV
Description
IC SH7201 MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7200r
Datasheet
1.R0K572011S000BE.pdf
(1222 pages)
Specifications of DS72011RB120FPV
Core Size
32-Bit
Core Processor
SH-2A
Speed
120MHz
Connectivity
CAN, EBI/EMI, FIFO, I²C, SCI, Serial Sound
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 70°C
Package / Case
176-LQFP
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
120MHz
Digital Ic Case Style
LQFP
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
-20°C To +70°C
Embedded Interface Type
I2C, SSI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K572011S000BE - KIT STARTER FOR SH7201HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Eeprom Size
-
Program Memory Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS72011RB120FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 16 Serial Communication Interface with FIFO (SCIF)
16.6.6
The SCIF operates on a base clock with a frequency of 16 times the transfer rate. In reception, the
SCIF synchronizes internally with the fall of the start bit, which it samples on the base clock.
Receive data is latched at the rising edge of the eighth base clock pulse. The timing is shown in
figure 16.17.
The receive margin in asynchronous mode can therefore be expressed as shown in equation 1.
Equation 1:
Where: M: Receive margin (%)
From equation 1, if F = 0 and D = 0.5, the receive margin is 46.875%, as given by equation 2.
Equation 2:
This is a theoretical value. A reasonable margin to allow in system designs is 20% to 30%.
Page 728 of 1190
Base clock
Receive data
(RxD)
Synchronization
sampling timing
Data sampling
timing
M = (0.5 -
N: Ratio of clock frequency to bit rate (N = 16)
D: Clock duty (D = 0 to 1.0)
L: Frame length (L = 9 to 12)
F: Absolute deviation of clock frequency
When D = 0.5 and F = 0:
M = (0.5 - 1/(2
= 46.875%
Receive Data Sampling Timing and Receive Margin (Asynchronous Mode)
Figure 16.17 Receive Data Sampling Timing in Asynchronous Mode
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4 5
2N
1
8 clocks
Start bit
) - (L - 0.5) F -
16))
16 clocks
100%
–7.5 clocks
D - 0.5
N
(1 + F)
+7.5 clocks
100 %
D0
6 7 8 9 10 11 12 13 14 15
R01UH0026EJ0300 Rev. 3.00
0 1 2 3 4 5
SH7201 Group
Sep 24, 2010
D1
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