HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 530
HD6417706F133
Manufacturer Part Number
HD6417706F133
Description
IC SUPERH MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417706F133V.pdf
(751 pages)
Specifications of HD6417706F133
Core Processor
SH-3
Core Size
32-Bit
Speed
133MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
103
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.75 V ~ 2.05 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
176-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Section 16 Serial Communication Interface with FIFO (SCIF)
16.4.2
The SCIF has four interrupt sources: transmit-FIFO-data-empty (TXI), receive-error (ERI),
receive-data-full (RXI), and break (BRI).
Table 16.9 shows the interrupt sources and their order of priority. The interrupt sources are
enabled or disabled by means of the TIE and RIE bits in SCSCR2. A separate interrupt request is
sent to the interrupt controller for each of these interrupt sources.
When the TDFE flag in the SCSSR2 is set to 1, a TXI interrupt request is generated. The DMAC
can be activated and data transfer performed when this interrupt is generated. The TDFE flag is
cleared to 0 when data exceeding the number of transmit triggers is written to SCFTDR2 by the
DMAC, the TDFE flag is read as 1, then 0 is written to the TDFE flag.
When the RDF flag in SCSSR2 is set to 1, an RXI interrupt request is generated. The DMAC can
be activated and data transfer performed when the RDF flag in SCSSR2 is set to 1. The RDF flag
is cleared to 0 when SCFRDR2 is read until the quantity of receive data in SCFRDR2 becomes
less than the specified number of receive triggers by the DMAC, the RDF flag is read as 1, then 0
is written to the RDF flag.
When the ER flag in SCSSR2 is set to 1, an ERI interrupt request is generated.
When the BRK flag in SCSSR2 is set to 1, a BRI interrupt request is generated.
The TXI interrupt indicates that transmit data can be written, and the RXI interrupt indicates that
there is receive data in SCFRDR2.
Table 16.9 SCIF Interrupt Sources
Interrupt
Source
ERI
RXI
BRI
TXI
See section 4, Exception Processing, for priorities and the relationship with non-SCIF interrupts.
Rev. 5.00 May 29, 2006 page 480 of 698
REJ09B0146-0500
SCIF Interrupts
Description
Interrupt initiated by receive error flag (ER)
Interrupt initiated by receive data FIFO full flag
(RDF) or data ready flag (DR)
Interrupt initiated by break flag (BRK)
Interrupt initiated by transmit FIFO data empty flag
(TDFE)
DMAC
Activation
Not possible
Possible
(RDF only)
Not possible
Possible
Priority on
Reset Release
High
Low
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