HD6417144F50V Renesas Electronics America, HD6417144F50V Datasheet - Page 213
![IC SUPERH MCU ROMLESS 112QFP](/photos/12/40/124045/hd6417144f50v_sml.jpg)
HD6417144F50V
Manufacturer Part Number
HD6417144F50V
Description
IC SUPERH MCU ROMLESS 112QFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7144r
Datasheet
1.HD64F7144F50V.pdf
(932 pages)
Specifications of HD6417144F50V
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
74
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
112-QFP
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)EDK7145 - DEV EVALUATION KIT SH7145
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:
HD6417144F50V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 213 of 932
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This LSI includes an on-chip four-channel direct memory access controller (DMAC). The DMAC
can be used in place of the CPU to perform high-speed data transfers among external devices
equipped with DACK (transfer request acknowledge signal), external memories, memory-mapped
external devices, and on-chip peripheral modules (except for the DMAC, DTC, BSC, and UBC).
Using the DMAC reduces the burden on the CPU and increases operating efficiency of the LSI as
a whole.
10.1
• Four channels
• Four Gbytes of address space in the architecture
• Byte, word, or longword selectable data transfer unit
• 16,777,216 transfers, maximum
• Address mode
• Channel function: Transfer modes that can be set are different for each channel.
• Transfer requests: There are three DMAC transfer activation requests, as indicated below.
• Selectable bus modes: Cycle-steal mode or burst mode
• Two types of DMAC channel priority ranking: Fixed priority mode or round robin mode
• CPU can be interrupted when the specified number of data transfers are complete.
• Module standby mode can be set.
DMASH20A_010020020700
⎯ Dual address mode or single address mode can be selected.
⎯ Direct access or indirect access can be selected in dual address mode.
⎯ Channel 0: Single or dual address mode. External requests are accepted.
⎯ Channel 1: Single or dual address mode. External requests are accepted.
⎯ Channel 2: Dual address mode only. Source address reload function is available.
⎯ Channel 3: Dual address mode only. Direct address transfer mode and indirect address
⎯ External request: From two DREQ pins. DREQ can be detected either by falling edge or by
⎯ Requests from on-chip peripheral modules: Transfer requests from on-chip modules such
⎯ Auto-request: The transfer request is generated automatically within the DMAC.
Section 10 Direct Memory Access Controller (DMAC)
transfer mode selectable.
low level.
as SCI (request made to SCI_0 and SCI_1) or A/D (request made to A/D 1).
Features
10. Direct Memory Access Controller (DMAC)
Rev.4.00 Mar. 27, 2008 Page 167 of 882
REJ09B0108-0400
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