HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 433
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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15.3.2
PBDR is a 16-bit read/write register that stores data for port B. The bits PB15DR–PB0DR
correspond to the PB15/TP15/IRQ7–PB0/TP0/TIOCA2 pins. When the pins are used as ordinary
outputs, they will output whatever value is written in the PBDR; when PBDR is read, the register
value will be output regardless of the pin status. When the pins are used as ordinary inputs, the pin
status rather than the register value is read directly when PBDR is read. When a value is written to
PBDR, that value can be written into PBDR, but it will not affect the pin status. When the pin
function is set to timing pattern output and the TPC output is enabled by the TPC next data enable
register (NDER), no value can be written to PBDR. Table 15.4 shows the read/write operations of
the port B data register.
PBDR is initialized by a power-on reset. However, PBDR is not initialized for a manual reset,
standby mode, or sleep mode.
Table 15.4 Read/Write Operation of the Port B Data Register (PBDR)
PBIOR
0
1
TPn: Timing pattern output
RENESAS 418
Initial value:
Initial value:
Bit name:
Bit name:
Port B Data Register (PBDR)
Pin Status
Input
TPn
Other function
Output
TPn
Other function
R/W:
R/W:
Bit:
Bit:
PB15DR PB14DR PB13DR PB12DR PB11DR PB10DR PB9DR PB8DR
PB7DR PB6DR
R/W
R/W
15
0
7
0
Read
Pin status
Pin status
Pin status
PBDR value
PBDR value
PBDR value
R/W
R/W
14
0
6
0
PB5DR PB4DR
R/W
R/W
13
0
5
0
Write
Can write to PBDR, but it has no effect on pin
status
Disabled
Can write to PBDR, but it has no effect on pin
status
Value written is output by pin
Disabled
Can write to PBDR, but it has no effect on pin
status
R/W
R/W
12
4
0
0
PB3DR
R/W
R/W
11
0
3
0
PB2DR PB1DR
R/W
R/W
10
0
2
0
R/W
R/W
1
0
9
0
PB0DR
R/W
R/W
8
0
0
0
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