DF2372RVFQ34V Renesas Electronics America, DF2372RVFQ34V Datasheet - Page 385
DF2372RVFQ34V
Manufacturer Part Number
DF2372RVFQ34V
Description
IC H8S/2372 MCU FLASH 144LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of DF2372RVFQ34V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
34MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 6x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
For Use With
YLCDRSK2378 - KIT DEV EVAL H8S/2378 LCDYR0K42378FC000BA - KIT EVAL FOR H8S/2378HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2372RVFQ34V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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IOAR. The transfer direction can be specified by the DTDIR bit in DMACR. Table 7.7
summarizes register functions in repeat mode.
Table 7.7
Register
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 upper 8 bits of IOAR have a value of H'FF. The number of
transfers is specified as 8 bits by ETCRH and ETCRL. The maximum number of transfers, when
H'00 is set in both ETCRH and ETCRL, is 256.
In repeat mode, ETCRL functions as the transfer counter, and ETCRH is used to hold the number
of transfers. ETCRL is decremented by 1 each time a data transfer is executed, and when its value
reaches H'00, it is loaded with the value in ETCRH. At the same time, the value set in MAR is
restored in accordance with the values of the DTSZ and DTID bits in DMACR. The MAR
restoration operation is as shown below.
The same value should be set in ETCRH and ETCRL.
23
23
H'FF
MAR = MAR – (–1)
15
7
7
ETCRH
ETCRL
Register Functions in Repeat Mode
MAR
IOAR
0
0
0
0
DTID
DTDIR = 0 DTDIR = 1 Initial Setting
Source
address
register
Destination
address
register
Holds number of
transfers
Transfer counter
· 2
DTSZ
Function
· ETCRH
Destination
address
register
Source
address
register
Rev.7.00 Mar. 18, 2009 page 317 of 1136
Start address of
transfer destination
or transfer source
Start address of
transfer source or
transfer destination
Number of transfers
Number of transfers
Section 7 DMA Controller (DMAC)
Operation
Incremented/
decremented every
transfer.
Initial setting is
restored when value
reaches H'0000
Fixed
Fixed
Decremented every
transfer.
Loaded with ETCRH
value when count
reaches H'00
REJ09B0109-0700
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