HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 212
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
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 Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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D15–D0
The DACK output when a transfer occurs from an external device with DACK to a memory-
mapped external device is the write waveform. The DACK output when a transfer occurs from
a memory-mapped external device to an external device with DACK is the read waveform.
The setting of the acknowledge mode (AM) bits in the channel control registers (CHCR0,
CHCR1) have no effect.
A21–A0
DACK
D15–D0
A21–A0
CSn
DACK
RD
WRH
CK
WRL
CSn
Figure 9.7 Example of DMA Transfer Timing in the Single Address Mode
CK
(b) External memory space to external device with DACK
(a) External device with DACK to external memory space
Address output to external memory space
Data that is output from external memory space
RD signal to external memory space
DACK signal to external device with DACK
(active low)
Address output to external memory space
Data that is output from the external
device with DACK
DACK signal to external devices with
DACK (active low)
WR signal to external memory space
RENESAS 193
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