HD6417032F20V Renesas Electronics America, HD6417032F20V Datasheet - Page 222
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417032F20V
Manufacturer:
TI
Quantity:
201
- Current page: 222 of 689
- Download datasheet (5Mb)
Section 9 Direct Memory Access Controller (DMAC)
9.3.2
DMA transfer requests are basically generated in either the data transfer source or destination, but
they can also be generated by devices and on-chip supporting modules that are neither the source
nor the destination. Transfers can be requested in three modes: auto-request, external request, and
on-chip module request. The request mode is selected with the RS3–RS0 bits in the DMA channel
control registers 0–3 (CHCR0–CHCR3).
Auto-Request Mode: When there is no transfer request signal from an external source, as in a
memory-to-memory transfer or a transfer between memory and an on-chip supporting module
unable to request a transfer, the auto-request mode allows the DMAC to automatically generate a
transfer request signal internally. When the DE bits in CHCR0–CHCR3 and the DME bit in
DMAOR are set to 1, the transfer begins (so long as the TE bits in CHCR0–CHCR3 and the NMIF
and AE bits in DMAOR are all 0).
External Request Mode: In this mode a transfer is performed in response to a request signal
(DREQ) of an external device. Choose one of the modes shown in table 9.3 according to the
application system. When this mode is selected, if DMA transfer is enabled (DE = 1, DME = 1,
TE = 0, NMIF = 0, AE = 0), a transfer is performed upon a request at the DREQ input. Choose to
detect DREQ by either the falling edge or low level of the signal input with the DS bit in CHCR0–
CHCR3 (DS = 0 specifies level detection, DS = 1 specifies edge detection). The source of the
transfer request does not have to be the data transfer source or destination.
Table 9.3
RS3
0
0
0
Note: * External memory, memory-mapped external device, on-chip memory, on-chip supporting
On-Chip Module Request: In this mode a transfer is performed in response to a transfer request
signal (interrupt request signal) of an on-chip module. The transfer request signals include the
receive data full interrupt (RXI) of the serial communication interface (SCI), the transmit data
empty interrupt (TXI) of the SCI, the input capture A/compare match A interrupt request (IMIA)
of the 16-bit integrated pulse timer (ITU), and the A/D conversion end interrupt (ADI) of the A/D
Rev. 7.00 Jan 31, 2006 page 194 of 658
REJ09B0272-0700
module (excluding DMAC)
RS2
0
0
0
DMA Transfer Requests
Selecting External Request Modes with the RS Bits
RS1
0
1
1
RS0
0
0
1
Address Mode
Dual address
mode
Single address
mode
Single address
mode
Source
Any *
External memory or
memory-mapped
external device
External device with
DACK
Destination
Any *
External device with
DACK
External memory or
memory-mapped
external device
Related parts for HD6417032F20V
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: