DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 583
![IC H8S MCU FLASH 128K 100-QFP](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Figure 16.14 Flowchart for Master Transmit Mode (Example)
No
No
No
No
No
Write transmit data in ICDR
Write transmit data in ICDR
and SCP = 0 in ICCR
and SCP = 0 in ICCR
Read BBSY in ICCR
Read ACKB in ICSR
Read ACKB in ICSR
End of transmission
Read IRIC in ICCR
Read IRIC in ICCR
Read IRIC in ICCR
Clear IRIC in ICCR
Clear IRIC in ICCR
Clear IRIC in ICCR
Set MST = 1 and
TRS = 1 in ICCR
Transmit mode?
Write BBSY = 1
Write BBSY = 0
or ACKB = 1?
BBSY = 0?
ACKB = 0?
Yes
IRIC = 1?
IRIC = 1?
IRIC = 1?
Initialize
Start
End
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Master receive mode
[1] Initialize
[2] Test the status of the SCL and SDA lines.
[3] Select master transmit mode.
[4] Start condition issuance
[5] Wait for a start condition generation
[6] Set transmit data for the first byte (slave
[7] Wait for 1 byte to be transmitted.
[8] Test the acknowledge bit, transferred from
[9] Set transmit data for the second and
[10] Wait for 1 byte to be transmitted.
[11] Test for end of transfer
[12] Stop condition issuance
address + R/W).
(After writing ICDR, clear IRIC
immediately)
slave device.
subsequent bytes.
(After writing ICDR, clear IRIC
immediately)
Rev. 4.00 Sep 27, 2006 page 537 of 1130
Section 16 I
2
C Bus Interface [Option]
REJ09B0327-0400
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