HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 261
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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10.3.2
All registers other than the TCNT, general registers, and buffer registers are 8-bit registers. These
are connected to the CPU by an 8-bit data bus. Figures 10.12 and 10.13 illustrate reading and
writing in byte units with the timer control register (TCR). These registers must be accessed by
byte access.
CPU
CPU
CPU
8-Bit Accessible Registers
Internal data bus
Internal data bus
Internal data bus
H
H
L
L
H
L
Figure 10.10 Accessing TCNT (TCNT–CPU (upper byte))
Figure 10.11 Accessing TCNT (TCNT–CPU (lower byte))
Figure 10.9 Accessing TCNT (CPU–TCNT (lower byte))
interface
interface
interface
Bus
Bus
Bus
TCNTH
TCNTH
TCNTH
TCNTL
TCNTL
TCNTL
H
H
H
L
L
L
RENESAS 243
Module
data bus
Module
data bus
Module
data bus
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