HD6417708RF100A Renesas Electronics America, HD6417708RF100A Datasheet - Page 432
HD6417708RF100A
Manufacturer Part Number
HD6417708RF100A
Description
IC SUPERH MPU ROMLESS 144LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417708SF60V.pdf
(635 pages)
Specifications of HD6417708RF100A
Core Processor
SH-2
Core Size
32-Bit
Speed
100MHz
Connectivity
EBI/EMI, SCI, SmartCard
Peripherals
POR, WDT
Number Of I /o
8
Program Memory Type
ROMless
Voltage - Supply (vcc/vdd)
3.15 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Ram Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Price
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HD6417708RF100A
Manufacturer:
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Quantity:
10 000
Part Number:
HD6417708RF100A
Manufacturer:
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Quantity:
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Part Number:
HD6417708RF100AV
Manufacturer:
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14.3.6
Initialization: Initialize the SCI using the following procedure before sending or receiving data.
Initialization is also required for switching from transmit mode to receive mode or from receive
mode to transmit mode. Figure 14.5 shows a flowchart of the initialization process.
1. Clear TE and RE in the serial control register (SCSCR) to 0.
2. Clear error flags FER/ERS, PER, and ORER to 0 in the serial status register (SCSSR).
3. Set the C/A bit, parity bit (O/E bit), and baud rate generator select bits (CKS1 and CKS0 bits)
4. Set the SMIF, SDIR, and SINV bits in the smart card mode register (SCSCMR). When the
5. Set the value corresponding to the bit rate in the bit rate register (SCBRR).
6. Set the clock source select bits (CKE1 and CKE0 bits) in the serial control register (SCSCR).
7. After waiting at least 1 bit, set the TIE, RIE, TE, and RE bits in SCSCR. Do not set the TE and
412
in the serial mode register (SCSMR). At this time also clear the CHR and MP bits to 0 and set
the STOP and PE bits to 1.
SMIF bit is set to 1, the TxD and RxD pins both switch from ports to SCI pins and become
high impedance.
Clear the TIE, RIE, TE, RE, MPIE, and TEIE bits to 0. When the CKE0 bit is set to 1, a clock
is output from the SCK0 pin.
RE bits simultaneously unless performing auto-diagnosis.
Data Transmission and Reception
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