DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 474
DF2148BTE20
Manufacturer Part Number
DF2148BTE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
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)
4.5 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
HD64F2148BTE20
HD64F2148BTE20
HD64F2148BTE20
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2148BTE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 16 I
Reading receive data from ICDR is performed after data is transferred from ICDRS to ICDRR.
If I
transferred automatically from ICDRS to ICDRR, following reception of one frame of data using
ICDRS. If additional data is received while the ICDRF flag is 1, data is transferred automatically
from ICDRS to ICDRR by reading from ICDR. In transmit mode, no data is transferred from
ICDRS to ICDRR. Always set I
If the number of bits in a frame, excluding the acknowledge bit, is less than eight, transmit data
and receive data are stored differently. Transmit data should be written justified toward the MSB
side when MLS = 0 in ICMR, and toward the LSB side when MLS = 1. Receive data bits should
be read from the LSB side when MLS = 0, and from the MSB side when MLS = 1.
ICDR can be written to and read from only when the ICE bit is set to 1 in ICCR. The initial value
of ICDR is undefined.
16.3.2
SAR sets the slave address and selects the communication format. If the LSI is in slave mode with
the I
upper 7 bits of the first frame received after a start condition, the LSI operates as the slave device
specified by the master device. SAR can be accessed only when the ICE bit in ICCR is cleared to
0.
Bit
7
6
5
4
3
2
1
0
Rev. 3.00 Mar 21, 2006 page 418 of 788
REJ09B0300-0300
2
C is in receive mode and no previous data remains in ICDRR (the ICDRF flag is 0), data is
2
C bus format selected, when the FS bit is set to 0 and the upper 7 bits of SAR match the
Bit Name
SVA6
SVA5
SVA4
SVA3
SVA2
SVA1
SVA0
FS
Slave Address Register (SAR)
2
C Bus Interface (IIC) (Optional)
Initial Value R/W
0
0
0
0
0
0
0
0
2
C to receive mode before reading from ICDR.
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Slave Address 6 to 0
Set a slave address.
Format Select
Selects the communication format together with the FSX
bit in SARX and the SW bit in DDCSWR. Refer to table
16.2.
This bit should be set to 0 when general call address
recognition is performed.
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