HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 564
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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14. I
14.4.6
When the address of the slave device matches the address which the master device transfers in the
first frame (address receive frame) after start condition detection in slave receive mode, and the
8th bit of data (R/W) is 1 (read), the TRS bit in ICCR is automatically set to 1 and slave transmit
mode is entered.
Figure 14.23 is a flowchart that gives as example of operations in slave transmit mode.
Rev.4.00 Mar. 27, 2008 Page 518 of 882
REJ09B0108-0400
2
C Bus Interface (IIC) Option
No
Clear the IRIC flag in ICCR
Write transmit data to ICDR
Clear the IRIC flag in ICCR
Clear the IRIC flag in ICCR
Read the IRIC flag in ICCR
Clear the IRIC flag in ICCR
Read the IRIC flag in ICCR
No
Read the ACKB bit in ICSR
No
Operations in Slave Transmission
Figure 14.23 Example: Flowchart of Operations in Slave Transmit Mode
Set ACKE to 0 (ICCR)
Slave transmit mode
Set TRS to 0 (ICCR)
(Clear ACKB to 0)
Read ICDR
Transmission
(ACKB = 1?)
completed?
IRIC = 1?
IRIC = 1?
End
Yes
Yes
Yes
[1], [2] If the slave address matches the address in the first frame
[3], [4] Wait for 1 byte to be transmitted.
[4] Determine end of transfer.
[6] Clear the IRIC flag.
[7] Clear acknowledge bit data.
[8] Set slave receive mode.
[9] Dummy read (to release the SCL line).
[10] Wait for stop condition
[3], [5] Set transmit data for the second and subsequent frames.
following the start condition detection and the R/W bit is 1 in slave
receive mode, the mode changes to slave transmit mode.
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