HD64F3067RF20 Renesas Electronics America, HD64F3067RF20 Datasheet - Page 272
HD64F3067RF20
Manufacturer Part Number
HD64F3067RF20
Description
IC H8 MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3067RF20VTR.pdf
(965 pages)
Specifications of HD64F3067RF20
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Package
100PQFP
Family Name
H8
Maximum Speed
20 MHz
Operating Supply Voltage
5 V
Data Bus Width
16|32 Bit
Number Of Programmable I/os
70
Interface Type
SCI
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
7
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 7 DMA Controller
7.4.7
The DMAC can be activated by an internal interrupt, external request, or auto-request. The
available activation sources differ depending on the transfer mode and channel as indicated in
table 7.11.
Table 7.11 DMAC Activation Sources
Activation Source
Internal
interrupts
External
requests
Auto-request
Activation by Internal Interrupts: When an interrupt request is selected as a DMAC activation
source and the DTE bit is set to 1, that interrupt request is not sent to the CPU. It is not possible
for an interrupt request to activate the DMAC and simultaneously generate a CPU interrupt.
When the DMAC is activated by an interrupt request, the interrupt request flag is cleared
automatically. If the same interrupt is selected to activate two or more channels, the interrupt
request flag is cleared when the highest-priority channel is activated, but the transfer request is
held pending on the other channels in the DMAC, which are activated in their priority order.
Activation by External Request: If an external request (DREQ pin) is selected as an activation
source, the DREQ pin becomes an input pin and the corresponding TEND pin becomes an output
pin, regardless of the port data direction register (DDR) settings. The DREQ input can be level-
sensitive or edge-sensitive.
In short address mode and normal mode, an external request operates as follows. If edge sensing is
selected, one byte or word is transferred each time a high-to-low transition of the DREQ input is
detected. If the next edge is input before the transfer is completed, the next transfer may not be
Rev. 4.00 Jan 26, 2006 page 248 of 938
REJ09B0276-0400
DMAC Activation
IMIA0
IMIA1
IMIA2
ADI
TXI0
RXI0
Falling edge
of DREQ
Low input at
DREQ
Channels
0A and 1A
!
!
!
!
!
!
Short Address Mode
Channels
0B and 1B
!
!
!
!
!
!
!
!
Normal
!
!
!
Full Address Mode
Block
!
!
!
!
!
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