DF2378BVFQ35V Renesas Electronics America, DF2378BVFQ35V Datasheet - Page 391
DF2378BVFQ35V
Manufacturer Part Number
DF2378BVFQ35V
Description
IC H8S/2378 MCU FLASH 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of DF2378BVFQ35V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
35MHz
Connectivity
I²C, IrDA, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
97
Program Memory Size
512KB (512K 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
Internal
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)EDK2378 - DEV EVAL KIT FOR H8S/2378
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number:
DF2378BVFQ35V
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7.5.6
In normal mode, transfer is performed with channels A and B used in combination. Normal mode
can be specified by setting the FAE bit in DMABCRH to 1 and clearing the BLKE bit in
DMACRA to 0. In normal mode, MAR is updated after data transfer of a byte or word in response
to a single transfer request, and this is executed the number of times specified in ETCRA. The
transfer source is specified by MARA, and the transfer destination by MARB. Table 7.9
summarizes register functions in normal mode.
Table 7.9
Register
MARA and MARB specify the start addresses of the transfer source and transfer destination,
respectively, as 24 bits. MAR can be incremented or decremented by 1 or 2 each time a byte or
word is transferred, or can be fixed. Incrementing, decrementing, or holding a fixed value can be
set separately for MARA and MARB.
The number of transfers is specified by ETCRA as 16 bits. ETCRA is decremented by 1 each time
a transfer is performed, and when its value reaches H'0000 the DTE bit in DMABCRL is cleared
and transfer ends. If the DTIE bit in DMABCRL is set to 1 at this time, an interrupt request is sent
to the CPU or DTC. The maximum number of transfers, when H'0000 is set in ETCRA, is 65,536.
Figure 7.11 illustrates operation in normal mode.
23
23
15
Normal Mode
ETCRA
MARA
MARB
Register Functions in Normal Mode
0
0
0
Function
Source address
register
Destination
address register
Transfer counter Number of transfers Decremented every
Initial Setting
Start address of
transfer source
Start address of
transfer destination
Rev.7.00 Mar. 18, 2009 page 323 of 1136
Section 7 DMA Controller (DMAC)
Operation
Incremented/decremented
every transfer, or fixed
Incremented/decremented
every transfer, or fixed
transfer; transfer ends
when count reaches
H'0000
REJ09B0109-0700
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