HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 438
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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Part Number
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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Section 13 Serial Communication Interface (SCI)
shift register (TSR). Clearing RE to 0, however, does not initialize the RDRF, PER, FER, and
ORER flags and receive data register (RDR), which retain their previous contents.
Figure 13.17 is a sample flowchart for initializing the SCI.
1. Write the value corresponding to the bit rate in the bit rate register (BRR) unless an external
2. Select the clock source in the serial control register (SCR). Leave RIE, TIE, TEIE, MPIE, TE,
3. Select the communication format in the serial mode register (SMR).
4. Wait for at least the interval required to transmit or receive one bit, then set TE or RE in the
Rev. 5.00 Jan 06, 2006 page 416 of 818
REJ09B0273-0500
clock is used.
and RE cleared to 0.
serial control register (SCR) to 1. When selecting the simultaneous transmission and receiving,
set TE and RE bits to 1 simultaneously. Also set RIE, TIE, TEIE, and MPIE. The TxD, RxD
pins becomes usable in response to the PFC corresponding bits and the TE, RE bit settings.
Figure 13.17 Sample Flowchart for SCI Initialization
Set RIE, TIE, TEIE, and MPIE bits
Clear TE and RE bits to 0 in SCR
Set RIE, TIE, TEIE, MPIE, CKE1,
Set TE and RE to 1 in SCR;
Select transmit/receive
and CKE0 bits in SCR
1-bit interval elapsed?
Start of initialization
(TE and RE are 0)
Set value in BRR
format in SMR
End
Yes
Wait
No
1
2
3
4
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