DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 555
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 555 of 794
- Download datasheet (5Mb)
15.1.3
PBIORL and PBIORH are 16-bit readable/writable registers that are used to set the pins on port B
as inputs or outputs. Bits PB16IOR, PB5IOR, and PB3IOR to PB1IOR correspond to pins PB16,
PB5, and PB3 to PB1, respectively (names of multiplexed pins are here given as port names and
pin numbers alone). PBIORL is enabled when the port B pins are functioning as general-purpose
inputs/outputs (PB5 and PB3 to PB1), and the SCK pin is functioning as inputs/outputs of SCI. In
other states, PBIORL is disabled. PBIORH is enabled when the port B pins are functioning as
general-purpose inputs/outputs (PB16). In other states, PBIORH is disabled.
A given pin on port B will be an output pin if the corresponding bit in PBIORH or PBIORL is set
to 1, and an input pin if the bit is cleared to 0.
However, bit 2 of PBIORL and bit 0 of PBIORH are disabled in SH7124.
Bits 15 to 6, 4, and 0 of PBIORL and bits 15 to 1 of PBIORH are reserved. These bits are always
read as 0. The write value should always be 0.
The initial value of PBIORL and PBIORH are H'0000, respectively.
• Port B I/O Register H (PBIORH)
Initial value:
• Port B I/O Register L (PBIORL)
Initial value:
R/W:
R/W:
Bit:
Bit:
Port B I/O Registers L and H (PBIORL and PBIORH)
15
15
R
R
0
0
-
-
14
14
R
R
0
0
-
-
13
13
R
R
0
0
-
-
12
12
R
R
0
0
-
-
11
11
R
R
0
0
-
-
10
10
R
R
0
0
-
-
R
R
9
0
9
0
-
-
R
R
8
0
8
0
-
-
R
R
7
0
7
0
-
-
R
R
Rev. 5.00 Mar. 06, 2009 Page 535 of 770
6
0
6
0
-
-
R/W
PB5
IOR
R
5
0
5
0
-
R
R
4
0
4
0
-
-
R/W
PB3
IOR
R
3
0
3
0
-
REJ09B0243-0500
R/W
PB2
IOR
R
2
0
2
0
-
R/W
PB1
IOR
R
1
0
1
0
-
PB16
R/W
IOR
R
0
0
0
0
-
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