DF2398TE20 Renesas Electronics America, DF2398TE20 Datasheet - Page 226
![IC H8S MCU FLASH 256K 120TQFP](/photos/28/61/286120/120-tqfp_sml.jpg)
DF2398TE20
Manufacturer Part Number
DF2398TE20
Description
IC H8S MCU FLASH 256K 120TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2398TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
87
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
120-TQFP, 120-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2398TE20
HD64F2398TE20
HD64F2398TE20
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2398TE20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.5.2
Sequential mode can be specified by clearing the RPE bit in DMACR to 0. In sequential mode, MAR is updated after each
byte or word transfer in response to a single transfer request, and this is executed the number of times specified in ETCR.
One address is specified by MAR, and the other by IOAR. The transfer direction can be specified by the DTDIR bit in
DMACR.
Table 7-6 summarizes register functions in sequential mode.
Table 7-6
Legend:
MAR: Memory address register
IOAR: I/O address register
ETCR: Transfer count register
DTDIR:Data transfer direction bit
MAR specifies the start address of the transfer source or transfer destination as 24 bits. MAR is incremented or
decremented by 1 or 2 each time a byte or word is transferred.
IOAR specifies the lower 16 bits of the other address. The 8 bits above IOAR have a value of H'FF.
Rev.6.00 Oct.28.2004 page 196 of 1016
REJ09B0138-0600H
Sequential Mode
Register
23
23
Register Functions in Sequential Mode
H'FF
15
15
MAR
ETCR
IOAR
0
0
0
DTDIR = 0 DTDIR = 1 Initial Setting
Source
address
register
Destination
address
register
Transfer counter
Function
Destination
address
register
Source
address
register
Start address of
transfer destination
or transfer source
Start address of
transfer source or
transfer destination
Number of transfers Decremented every
Operation
Incremented/
decremented every
transfer
Fixed
transfer; transfer
ends when count
reaches H'0000
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