HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 501
HD64F7144F50V
Manufacturer Part Number
HD64F7144F50V
Description
IC SUPERH MCU FLASH 256K 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Specifications of HD64F7144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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HD64F7144F50V
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13. Serial Communication Interface (SCI)
13.7.5
Initialization
Before transmitting and receiving data, initialize the SCI as described below. Initialization is also
necessary when switching from transmit mode to receive mode, or vice versa.
1. Clear the RIE, TIE, TEIE, MPIE, TE, and RE bits in SCR to 0.
2. Clear the error flags ERS, PER, and ORER in SSR to 0.
3. Set the GM, BLK, O/E, BCP1, BCP0, CKS1, and CKS0 bits in SMR. Set the PE bit to 1.
4. Set the SMIF, DIR, and SINV bits in SDCR.
5. Set the value corresponding to the bit rate to BRR.
6. Set the CKE1 and CKE0 bits in SCR. Clear the TIE, RIE, TE, RE, MPIE, and TEIE bits to 0.
7. Wait at least one bit interval, then set the TIE and RIE bits in SCR.
8. Make the pin function settings for the external pins (SCK, TxD, and RxD).
9. Set the TE and RE bits in SCR. Except for self diagnosis, do not set the TE bit and RE bit at
the same time.
To switch from receive mode to transmit mode, after checking that the SCI has finished reception,
initialize the SCI, and clear the RE bit to 0 and set the TE bit to 1. Whether the SCI has finished
reception or not can be checked with the RDRF, PER, or ORER flag. To switch from transmit
mode to receive mode, after checking that the SCI has finished transmission, initialize the SCI,
and clear the TE bit to 0 and set the RE bit to 1. Whether the SCI has finished transmission or not
can be checked with the TEND flag.
Rev.4.00 Mar. 27, 2008 Page 455 of 882
REJ09B0108-0400
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