HD6417011VX20V Renesas Electronics America, HD6417011VX20V Datasheet - Page 224
HD6417011VX20V
Manufacturer Part Number
HD6417011VX20V
Description
MPU 5V 0K 100-QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7010r
Datasheet
1.HD6417011VX20V.pdf
(294 pages)
Specifications of HD6417011VX20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
POR, PWM
Number Of I /o
11
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417011VX20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Clock: The SCI’s transmit/receive clock is an internal clock generated by the on-chip baud rate
generator.
SCI Initialization (Asynchronous Mode): Before transmitting or receiving, clear the TE and RE
bits to 0 in the serial control register (SCR), then initialize the SCI as follows.
When changing the operation mode or communication format, always clear the TE and RE bits to
0 before following the procedure given below. Clearing TE to 0 sets TDRE to 1 and initializes the
transmit shift register (TSR). Clearing RE to 0, however, does not initialize the RDRF, PER, FER,
and ORER flags and receive data register (RDR), which retain their previous contents.
Figure 12.3 is a sample flowchart for initializing the SCI. The procedure is as follows (the steps
correspond to the numbers in the flowchart):
1. Select the clock source in the serial control register (SCR). Leave RIE, TIE, TEIE, MPIE, TE
2. Select the communication format in the serial mode register (SMR).
3. Write the value corresponding to the bit rate in the bit rate register (BRR).
4. Wait for at least the interval required to transmit or receive one bit, then set TE or RE in the
214
and RE cleared to 0.
serial control register (SCR) to 1. Also set RIE, TIE, TEIE and MPIE as necessary. Setting TE
or RE enables the SCI to use the TxD or RxD pin. The initial states are the marking transmit
state, and the idle receive state (waiting for a start bit).
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