D12332VFC25 Renesas Electronics America, D12332VFC25 Datasheet - Page 321
D12332VFC25
Manufacturer Part Number
D12332VFC25
Description
MCU 3V 0K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2338VFC25V.pdf
(1246 pages)
Specifications of D12332VFC25
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 Type
ROMless
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
-
Program Memory Size
-
Other names
HD6412332VFC25
HD6412332VFC25
HD6412332VFC25
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D12332VFC25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.7
DMAC Register Access during Operation: Except for forced termination, the operating
(including transfer waiting state) channel setting should not be changed. The operating channel
setting should only be changed when transfer is disabled.
Also, MAC registers should not be written to in a DMA transfer.
DMAC register reads during operation (including the transfer waiting state) are described below.
(a) DMAC control starts one cycle before the bus cycle, with output of the internal address.
DMA Internal
address
DMA register
operation
DMA control
Consequently, MAR is updated in the bus cycle before DMAC transfer.
Figure 7.40 shows an example of the update timing for DMAC registers in dual address
transfer mode.
[1] Transfer source address register MAR operation (incremented/decremented/fixed)
[2] Transfer destination address register MAR operation (incremented/decremented/fixed)
[2'] Transfer destination address register MAR operation (incremented/decremented/fixed)
[3] Transfer address register MAR restore operation (in block or repeat transfer mode)
Notes: 1. In single address transfer mode, the update timing is the same as [1].
φ
Transfer counter ETCR operation (decremented)
Block size counter ETCR operation (decremented in block transfer mode)
Block transfer counter ETCR operation (decremented, in last transfer cycle of a block
in block transfer mode)
Transfer counter ETCR restore (in repeat transfer mode)
Block size counter ETCR restore (in block transfer mode)
Usage Notes
2. The MAR operation is post-incrementing/decrementing of the DMA internal address value.
Idle
[1]
Transfer
source
Read
Figure 7.40 DMAC Register Update Timing
[2]
DMA read
destination
DMA transfer cycle
Transfer
Write
DMA write
Idle
Rev.4.00 Sep. 07, 2007 Page 289 of 1210
[1]
Transfer
source
Read
[2']
DMA read
DMA last transfer cycle
destination
Transfer
Write
DMA write
[3]
REJ09B0245-0400
Dead
DMA
dead
Idle
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