HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 217
HD6417032F20V
Manufacturer Part Number
HD6417032F20V
Description
SH1 ROMLESS LEAD FREE
Manufacturer
Renesas Electronics America
Series
SuperH® SH7030r
Datasheet
1.HD6417034AFI20.pdf
(689 pages)
Specifications of HD6417032F20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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Price
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Part Number:
HD6417032F20V
Manufacturer:
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Bit 3—Transfer Size Bit (TS): TS selects the transfer unit size. If the on-chip supporting module
that is the source or destination of the transfer can only be accessed in bytes, byte must be selected
with this bit. The TS bit is initialized to 0 by a resets and in standby mode.
Bit 3: TS
0
1
Bit 2—Interrupt Enable Bit (IE): IE determines whether or not to request a CPU interrupt at the
end of a DMA transfer. When the IE bit is set to 1, an interrupt (DEI) request is sent to the CPU
when the TE bit is set. The IE bit is initialized to 0 by a reset and in standby mode.
Bit 2: IE
0
1
Bit 1—Transfer End Flag Bit (TE): TE indicates that the transfer has ended. When a DMA
transfer ends normally and the value in the DMA transfer count register (TCR) becomes 0, the TE
bit is set to 1. This flag is not set if the transfer ends because of an NMI interrupt or address error,
or because the DE bit or the DME bit in the DMA operation register (DMAOR) was cleared. To
clear the TE bit, read 1 from it and then write 0.
When this flag is set, setting the DE bit to 1 does not enable a DMA transfer. The TE bit is
initialized to 0 by a reset and in standby mode.
Bit 1: TE
0
1
Bit 0—DMA Enable Bit (DE): DE enables or disables DMA transfers. In auto-request mode, the
transfer starts when this bit or the DME bit in DMAOR is set to 1. The TE bit and the NMIF and
AE bits in DMAOR must be all cleared to 0. In external request mode or on-chip supporting
module request mode, the transfer begins when the DMA transfer request is received from a
device or on-chip supporting module, provided this bit and the DME bit are set to 1. As with auto
request mode, the TE bit and the NMIF and AE bits must be all cleared to 0. The transfer can be
stopped by clearing this bit to 0.
Description
Byte (8 bits)
Word (16 bits)
Description
Interrupt request disabled
Interrupt request enabled
Description
DMA has not ended or was aborted
To clear TE, the CPU must read TE after it has been set to 1, then write a 0 in
this bit
DMA has ended normally
Section 9 Direct Memory Access Controller (DMAC)
Rev. 7.00 Jan 31, 2006 page 189 of 658
REJ09B0272-0700
(Initial value)
(Initial value)
(Initial value)
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