HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 447
HD64F7051SFJ20V
Manufacturer Part Number
HD64F7051SFJ20V
Description
MCU 5V 256K J-TEMP PB-FREE QFP-1
Manufacturer
Renesas Electronics America
Series
SuperH® SH7050r
Datasheet
1.HD64F7050SFJ20V.pdf
(843 pages)
Specifications of HD64F7051SFJ20V
Core Processor
SH-2
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, WDT
Number Of I /o
102
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
168-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS
Quantity:
101
Part Number:
HD64F7051SFJ20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 447 of 843
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13.4
The SCI has four interrupt sources: transmit-end (TEI), receive-error (ERI), receive-data-full
(RxI), and transmit-data-empty (TxI). Table 13.12 lists the interrupt sources and indicates their
priority. These interrupts can be enabled and disabled by the TIE, RIE, and TEIE bits in the serial
control register (SCR). Each interrupt request is sent separately to the interrupt controller.
TxI is requested when the TDRE bit in the SSR is set to 1. TxI can start the direct memory access
controller (DMAC) to transfer data. TDRE is automatically cleared to 0 when the DMAC writes
data in the transmit data register (TDR).
RxI is requested when the RDRF bit in the SSR is set to 1. RxI can start the DMAC to transfer
data. RDRF is automatically cleared to 0 when the DMAC reads the receive data register (RDR).
ERI is requested when the ORER, PER, or FER bit in the SSR is set to 1. ERI cannot start the
DMAC.
TEI is requested when the TEND bit in the SSR is set to 1. TEI cannot start the DMAC. Where the
TxI interrupt indicates that transmit data writing is enabled, the TEI interrupt indicates that the
transmit operation is complete.
Table 13.12 SCI Interrupt Sources
Interrupt Source
ERI
RxI
TxI
TEI
SCI Interrupt Sources and the DMAC
Description
Receive error (ORER, PER, or FER)
Receive data full (RDRF)
Transmit data empty (TDRE)
Transmit end (TEND)
Section 13 Serial Communication Interface (SCI)
Rev. 5.00 Jan 06, 2006 page 425 of 818
DMAC Activation
No
Yes
Yes
No
REJ09B0273-0500
Priority
High
Low
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