HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 541
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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Price
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Quantity:
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Company:
Part Number:
HD64F7144F50V
Manufacturer:
Renesas Electronics America
Quantity:
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Part Number:
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14.4.2
Initialize the IIC following the procedure shown below before starting the data transmission or
reception.
Clear the IRIC flag in ICCR
Initialization
Figure 14.6 An Example of IIC Initialization Flowchart
<<Transmission/reception start>>
No
Read the IRIC flag in ICCR
Set MSTP21 = 0 (MSTCR1)
Set IICE = 1 (SCRX)
Set PBCR1, PBCR2
Set ICE = 0 (ICCR)
Set ICE = 1 (ICCR)
Initialization start
Set SAR, SARX
Set SCRX
Set SCRX
Set ICMR
Set ICCR
Set ICSR
IRIC = 0?
Yes
Cancel module stop mode
Enable the CPU access to the IIC control registerand data
register.
Enable SAR and SARX to be accessed
Set the first slave address, second slave address,and IIC
transfer format
(SVA6 to SVA0, FS, SVAX6 to SVAX0, FSX)
Enable ICMR and ICDR to be accessed
Use SCL/SDA pin as an I
Set acknowledge bit
(ACKB)
Set transfer rate
(IICX)
(MLS, WAIT, and CKS2 to CKS0)
Enable interrupt
(STOPIM and HNDS)
Set interrupt enable, transfer mode, and acknowledge decision
(IEIC, MST, TRS, and ACKE)
Set transfer format, wait insertion, and transfer rate
Rev.4.00 Mar. 27, 2008 Page 495 of 882
14. I
2
C port
2
C Bus Interface (IIC) Option
REJ09B0108-0400
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