D12332VFC20V Renesas Electronics America, D12332VFC20V Datasheet - Page 314
D12332VFC20V
Manufacturer Part Number
D12332VFC20V
Description
IC H8S/2332 MCU ROMLESS 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Specifications of D12332VFC20V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
106
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
For Use With
EDK2329 - DEV EVALUATION KIT H8S/2329
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:
D12332VFC20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Figure 7.34 shows an example of single address transfer using the write data buffer function. In
this example, the CPU program area is in on-chip memory.
When the write data buffer function is activated, the DMAC recognizes that the bus cycle
concerned has ended, and starts the next operation. Therefore, DREQ pin sampling is started one
state after the start of the DMA write cycle or single address transfer.
7.5.13
The DMAC channel priority order is: channel 0 > channel 1, and channel A > channel B. Table
7.13 summarizes the priority order for DMAC channels.
Table 7.13 DMAC Channel Priority Order
Short Address Mode
Channel 0A
Channel 0B
Channel 1A
Channel 1B
Rev.4.00 Sep. 07, 2007 Page 282 of 1210
REJ09B0245-0400
Figure 7.34 Example of Single Address Transfer Using Write Data Buffer Function
Internal read signal
External address
Internal address
DMAC Multi-Channel Operation
DACK
RD
φ
DMA
read
Full Address Mode
Channel 0
Channel 1
DMA
single
CPU
read
DMA
single
Priority
High
Low
CPU
read
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