HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 312
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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10.6.11 Note on Writing in the Synchronizing Mode
After the synchronizing mode is selected, if the TCNT is written by byte access, all 16 bits of all
synchronized counters assume the same value as the counter that was addressed.
Example: Figures 10.67 and 10.68 show byte write and word write when channels 2 and 3 are
synchronized
10.6.12 Note on Setting Reset-synchronized PWM Mode/Complementary PWM Mode
When the CMD1 and CMD0 bits of TFCR are set, note the following.
1. Writes to CMD1 and CMD0 should be done while TCNT3 and TCNT4 are halted.
2. Changes of setting from the reset-synchronized PWM mode to the complementary PWM mode
294 RENESAS
and vice versa are inhibited. Set the reset-synchronized PWM mode or complementary PWM
mode after first setting normal operation (clear CMD1 bit to 0).
TCNT2
TCNT3
TCNT2
TCNT3
Figure 10.68 Word Write to Channel 2 or Word Write to Channel 3
Figure 10.67 Byte Write to Channel 2 or Byte Write to Channel 3
Upper
Upper
byte
byte
W
W
Y
Y
Lower
Lower
byte
byte
X
X
Z
Z
Write A to upper
byte of channel 2
Write A to lower
byte of channel 3
Word write of AB
for channel 2 or 3
TCNT2
TCNT3
TCNT2
TCNT3
TCNT2
TCNT3
Upper
Upper
Upper
byte
byte
byte
A
A
Y
Y
A
A
Lower
Lower
Lower
byte
byte
byte
X
X
A
A
B
B
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