D12312SVTE25 Renesas Electronics America, D12312SVTE25 Datasheet - Page 524
D12312SVTE25
Manufacturer Part Number
D12312SVTE25
Description
MCU 3V 0K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.D12312SVTE25V.pdf
(1146 pages)
Specifications of D12312SVTE25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
70
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
HD6412312SVTE25
HD6412312SVTE25
HD6412312SVTE25
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12312SVTE25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 12 Serial Communication Interface (SCI)
12.4
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 12.12 shows the interrupt sources and their relative priorities. Individual interrupt
sources can be enabled or disabled with the TIE, RIE, and TEIE bits in the SCR. Each kind of
interrupt request is sent to the interrupt controller independently.
When the TDRE flag in SSR is set to 1, a TXI interrupt request is generated. When the TEND flag
in SSR is set to 1, a TEI interrupt request is generated. A TXI interrupt can activate the DTC to
perform data transfer. The TDRE flag is cleared to 0 automatically when data transfer is
performed by the DTC. The DTC cannot be activated by a TEI interrupt request.
When the RDRF flag in SSR is set to 1, an RXI interrupt request is generated. When the ORER,
PER, or FER flag in SSR is set to 1, an ERI interrupt request is generated. An RXI interrupt can
activate the DTC to perform data transfer. The RDRF flag is cleared to 0 automatically when data
transfer is performed by the DTC. The DTC cannot be activated by an ERI interrupt request.
Table 12.12 SCI Interrupt Sources
Channel
0
1
Note: * This table shows the initial state immediate after a reset. Relative priorities among channels
Rev.7.00 Feb. 14, 2007 page 490 of 1108
REJ09B0089-0700
can be changed by the interrupt controller.
SCI Interrupts
Interrupt
Source
ERI
RXI
TXI
TEI
ERI
RXI
TXI
TEI
Description
Interrupt due to receive error
(ORER, FER, or PER)
Interrupt due to receive data full state
(RDRF)
Interrupt due to transmit data empty state
(TDRE)
Interrupt due to transmission end
(TEND)
Interrupt due to receive error
(ORER, FER, or PER)
Interrupt due to receive data full state
(RDRF)
Interrupt due to transmit data empty state
(TDRE)
Interrupt due to transmission end
(TEND)
DTC
Activation
Not
possible
Possible
Possible
Not
possible
Not
possible
Possible
Possible
Not
possible
Priority *
High
Low
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