DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 594

MCU 5V 128K I-TEMP,PB-FREE, 100-

DF2148RTE20IV

Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets

Specifications of DF2148RTE20IV

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
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Section 16 I
Rev. 4.00 Sep 27, 2006 page 548 of 1130
REJ09B0327-0400
Write transmit data to ICDR
Figure 16.19 Flowchart and Timing of Start Condition Instruction Issuance for
SDA
IRIC
SCL
Clear IRIC in ICSR
[1] IRIC determination
Start condition
Write BBSY = 1,
Read SCL pin
SCP = 0 (ICSR)
SCL = Low ?
IRIC = 1 ?
issuance?
IRIC = 1 ?
Yes
Yes
Yes
2
C Bus Interface [Option]
Yes
ACK
No
No
No
No
9
[2]
Other processing
Determination
of SCL = low
[1]
[2]
[3]
[4]
[5]
[3] Start condition
instruction issuance [4] IRIC
Retransmission
Note: Program so that processing from [3] to [5] is
[1] Wait for end of 1-byte transfer
[2] Determine whether SCL is low
[3] Issue restart condition instruction for retransmission
[4] Determine whether start condition is generated or not
[5] Set transmit data (slave address + R/W)
(retransmission)
Start condition
executed continuously.
determination
[5]
ICDR write
(next transmit data)
bit 7

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