HD64F7144F50V Renesas Electronics America, HD64F7144F50V Datasheet - Page 543
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F7144F50V
Manufacturer:
RENESAS
Quantity:
450
Company:
Part Number:
HD64F7144F50V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64F7144F50V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 543 of 932
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Figure 14.7 Example: Flowchart of Operations in the Master Transmit Mode
No
Write data for transmission to ICDR
No
No
No
Clear the IRIC flag in ICCR
Read the BBSY flag in ICCR
Read the ACKB bit in ICSR
No
Write transmit data to ICDR
Read the ACKB bit in ICSR
Read the IRIC flag in ICCR
Read the IRIC flag in ICCR
Clear the IRIC flag in ICCR
Read the IRIC flag in ICCR
Clear the IRIC flag in ICCR
Write 0 to the ACKE bit
and TRS = 1 (ICCR)
and SCP = 0 (ICCR)
and SCP = 0 (ICCR)
Transmit mode?
Write BBSY = 0
Write BBSY= 1
Initial setting
Transmission
BBSY = 0?
ACKB = 0?
(ACKB = 1?)
Set MST = 1
completed?
IRIC = 1?
IRIC = 1?
IRIC = 1?
in ICCR
Start
End
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
[1] Initial setting
[2] Determine the states of the SCL and SDA lines.
[3] Set master transmit mode
[4] Start condition issuance
[5] Wait for the start condition generation
[6] Set transmit data for the first byte (slave address + R/ W)
[7] Wait for 1 byte to be transmitted.
[8] Determine the acknowledge bit transferred from the
[9] Set transmit data for the second and subsequent bytes.
[10] Wait for 1 byte to be transmitted.
[11] Determine the end of transfer
[12] Stop condition issua
Master receive mode
(After writing to ICDR, clear IRIC sequentially)
specified slave device.
(After writing to ICDR, clear IRIC sequentially)
Rev.4.00 Mar. 27, 2008 Page 497 of 882
14. I
2
C Bus Interface (IIC) Option
REJ09B0108-0400
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