HD64F2338VFC25 Renesas Electronics America, HD64F2338VFC25 Datasheet - Page 688
HD64F2338VFC25
Manufacturer Part Number
HD64F2338VFC25
Description
MCU 3V 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2338VFC25V.pdf
(1246 pages)
Specifications of HD64F2338VFC25
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number:
HD64F2338VFC25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.5
The following points should be noted when using the SCI.
Relation between Writes to TDR and the TDRE Flag: The TDRE flag in SSR is a status flag
that indicates that transmit data has been transferred from TDR to TSR. When the SCI transfers
data from TDR to TSR, the TDRE flag is set to 1.
Data can be written to TDR regardless of the state of the TDRE flag. However, if new data is
written to TDR when the TDRE flag is cleared to 0, the data stored in TDR will be lost since it has
not yet been transferred to TSR. It is therefore essential to check that the TDRE flag is set to 1
before writing transmit data to TDR.
Operation when Multiple Receive Errors Occur Simultaneously: If a number of receive errors
occur at the same time, the state of the status flags in SSR is as shown in table 14.13. If there is an
overrun error, data is not transferred from RSR to RDR, and the receive data is lost.
Table 14.13 State of SSR Status Flags and Transfer of Receive Data
RDRF
1
0
0
1
1
0
1
Notes:
Rev.4.00 Sep. 07, 2007 Page 656 of 1210
REJ09B0245-0400
X: Receive data is not transferred from RSR to RDR.
SSR Status Flags
ORER
1
0
0
1
1
0
1
: Receive data is transferred from RSR to RDR.
Usage Notes
FER
0
1
0
1
0
1
1
PER
0
0
1
0
1
1
1
Receive Data Transfer
from RSR to RDR
X
X
X
X
Receive Error Status
Overrun error
Framing error
Parity error
Overrun error + framing error
Overrun error + parity error
Framing error + parity error
Overrun error + framing error +
parity error
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