D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 337
D12321VF25V
Manufacturer Part Number
D12321VF25V
Description
IC H8S/2300 MCU ROMLESS 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheets
1.HEWH8E10A.pdf
(19 pages)
2.D12312SVTE25V.pdf
(341 pages)
3.D12322RVF25V.pdf
(1304 pages)
Specifications of D12321VF25V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
86
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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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
Section 7 DMA Controller (Not Supported in the H8S/2321)
DMA write
Idle
Rev.6.00 Sep. 27, 2007 Page 305 of 1268
[1]
Transfer
source
Read
[2']
DMA read
DMA last transfer cycle
destination
Transfer
Write
DMA write
[3]
REJ09B0220-0600
Dead
DMA
dead
Idle
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