HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 250
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
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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• Bit 1 (output level select 4 (OLS4)): OLS4 selects the output level of the complementary PWM
Bit 1: OLS4
0
1
• Bit 0 (output level select 3 (OLS3)): OLS3 selects the output level of the complementary PWM
Bit 0: OLS3
0
1
10.2.6
The ITU has five 16-bit timer counters (TCNT), one for each channel (table 10.4).
Each TCNT is a 16-bit read/write counter that counts by input from a clock source. The clock
source is selected by timer prescalar bits 2–0 (TPSC2–TPSC0) in the timer control register (TCR).
TCNT0 and TCNT 1 are strictly upcounters. Up/down counting occurs for TCNT2 when the phase
counting mode is selected, or for TCNT3 and TCNT 4 when complementary PWM mode is
selected. In other modes, they are upcounters.
The TCNT can be cleared to H'0000 by compare match with the corresponding general register A
or B (GRA, GRB) or input capture to GRA or GRB (counter clear function).
When the TCNT overflows (changes from H'FFFF–H'0000), the overflow flag (OVF) in the timer
status register (TSR) is set to 1. The OVF of the corresponding channel TSR is also set to 1 when
the TCNT underflows (changes from H'0000–H'FFFF).
The TCNT is connected to the CPU by a 16-bit bus, so it can be written or read by either word
access or byte access. The TCNT is initialized to H'0000 by a reset or in standby mode.
232 RENESAS
mode or reset-synchronized PWM mode.
mode or reset-synchronized PWM mode.
Timer Counters (TCNT)
Description
TIOCA3, TIOCA4, and TIOCB4 are inverted and output
TIOCA3, TIOCA4, and TIOCB4 are output directly (initial value)
Description
TIOCB3, TOCXA4, and TOCXB4 are inverted and output
TIOCB3, TOCXA4, and TOCXB4 are output directly (initial value)
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