HD6417750RF240DV Renesas Electronics America, HD6417750RF240DV Datasheet - Page 803
HD6417750RF240DV
Manufacturer Part Number
HD6417750RF240DV
Description
MPU 3V 16K I-TEMP,PB-FREE 208-QF
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417750RBP240DV.pdf
(1164 pages)
Specifications of HD6417750RF240DV
Core Processor
SH-4
Core Size
32-Bit
Speed
240MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
28
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417750RF240DV
Manufacturer:
HITACHI
Quantity:
7 287
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Section 15 Serial Communication Interface (SCI)
15.4
SCI Interrupt Sources and DMAC
The SCI has four interrupt sources: the transmit-end interrupt (TEI) request, receive-error interrupt
(ERI) request, receive-data-full interrupt (RXI) request, and transmit-data-empty interrupt (TXI)
request.
Table 15.12 shows the interrupt sources and their relative priorities. Individual interrupt sources
can be enabled or disabled with the TIE, RIE, and TEIE bits in SCRSR1, and the EIO bit in
SCSPTR1. Each kind of interrupt request is sent to the interrupt controller independently.
When the TDRE flag in the serial status register (SCSSR1) is set to 1, a TDR-empty request is
generated separately from the interrupt request. A TDR-empty request can activate the direct
memory access controller (DMAC) to perform data transfer. The TDRE flag is cleared to 0
automatically when a write to the transmit data register (SCTDR1) is performed by the DMAC.
When the RDRF flag in SCSSR1 is set to 1, an RDR-full request is generated separately from the
interrupt request. An RDR-full request can activate the DMAC to perform data transfer.
The RDRF flag is cleared to 0 automatically when a receive data register (SCRDR1) read is
performed by the DMAC.
When the ORER, FER, or PER flag in SCSSR1 is set to 1, an ERI interrupt request is generated.
The DMAC cannot be activated by an ERI interrupt request. When receive data processing is to be
carried out by the DMAC and receive error handling is to be performed by means of an interrupt
to the CPU, set the RIE bit to 1 and also set the EIO bit in SCSPTR1 to 1 so that an interrupt error
occurs only for a receive error. If the EIO bit is cleared to 0, interrupts to the CPU will be
generated even during normal data reception.
When the TEND flag in SCSSR1 is set to 1, a TEI interrupt request is generated. The DMAC
cannot be activated by a TEI interrupt request.
A TXI interrupt indicates that transmit data can be written, and a TEI interrupt indicates that the
transmit operation has ended.
Rev.7.00 Oct. 10, 2008 Page 717 of 1074
REJ09B0366-0700
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