HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 291
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of HD64F2239TF20I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K 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
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2239TF20I
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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8.3.6
The DMAC can activate the DTC with a transfer end interrupt, rewrite the channel on which the
transfer ended using a DTC chain transfer, and then reactivate the DTC. DMAWER applies
restrictions for changing all bits of DMACR, and specific bits for DMATCR and DMABCR for
the specific channel, to prevent inadvertent rewriting of registers other than those for the channel
concerned. The restrictions applied by DMAWER are valid for the DTC.
Figure 8.2 shows the transfer areas for activating the DTC with a channel 0A transfer end interrupt
request, and reactivating channel 0A. The address register and count register areas are set again
during the first DTC transfer, then the control register area is set again during the second DTC
Bit
7 to 4
3
2
1
0
DMA Write Enable Register (DMAWER)
Bit Name
⎯
WE1B
WE1A
WE0B
WE0A
Initial Value
All 0
0
0
0
0
R/W
−
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0 and cannot be
modified.
Write Enable 1B
Enables or disables writes to all bits in
DMACR1B, bits 11, 7, and 3 in DMABCR, and
bit 5 in DMATCR.
0: Writes are disabled
1: Writes are enabled
Write Enable 1A
Enables or disables writes to all bits in
DMACR1A, and bits 10, 6, and 2 in DMABCR.
0: Writes are disabled
1: Writes are enabled
Write Enable 0B
Enables or disables writes to all bits in
DMACR0B, bits 9, 5, and 1 in DMABCR, and bit
4 in DMATCR.
0: Writes are disabled
1: Writes are enabled
Write Enable 0A
Enables or disables writes to all bits in
DMACR0A, and bits 8, 4, and 0 in DMABCR.
0: Writes are disabled
1: Writes are enabled
Rev. 6.00 Mar. 18, 2010 Page 229 of 982
Section 8 DMA Controller (DMAC)
REJ09B0054-0600
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