HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 441
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
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Figure 13.19 shows an example of SCI transmit operation.
SCI serial transmission operates as follows.
1. The SCI monitors the TDRE bit in the SSR. When TDRE is cleared to 0 the SCI recognizes
2. After loading the data from the TDR into the TSR, the SCI sets the TDRE bit to 1 and starts
If clock output mode is selected, the SCI outputs eight synchronous clock pulses. If an external
3. The SCI checks the TDRE bit when it outputs the MSB (bit 7). If TDRE is 0, the SCI loads
4. After the end of serial transmission, the SCK pin is held in the high state.
zation clock
Synchroni-
Serial data
that the transmit data register (TDR) contains new data and loads this data from the TDR into
the transmit shift register (TSR).
transmitting. If the transmit-data-empty interrupt enable bit (TIE) in the SCR is set to 1, the
SCI requests a transmit-data-empty interrupt (TxI) at this time.
clock source is selected, the SCI outputs data in synchronization with the input clock. Data are
output from the TxD pin in order from the LSB (bit 0) to the MSB (bit 7).
data from the TDR into the TSR, then begins serial transmission of the next frame. If TDRE is
1, the SCI sets the TEND bit in the SSR to 1, transmits the MSB, then holds the transmit data
pin (TxD) in the MSB state. If the transmit-end interrupt enable bit (TEIE) in the SCR is set to
1, a transmit-end interrupt (TEI) is requested at this time.
TDRE
TEND
Transmit direction
request
TxI
Figure 13.19 Example of SCI Transmit Operation
Bit 0
LSB
clears TDRE to 0
data in TDR and
handler writes
TxI interrupt
Bit 1
1 frame
request
Section 13 Serial Communication Interface (SCI)
TxI
MSB
Bit 7
Rev. 5.00 Jan 06, 2006 page 419 of 818
Bit 0
Bit 1
REJ09B0273-0500
Bit 6
request
TEI
Bit 7
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