HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 241
![MCU 3V 256K 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
HD64F3026X25
Manufacturer Part Number
HD64F3026X25
Description
MCU 3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.DF3026XBL25V.pdf
(843 pages)
Specifications of HD64F3026X25
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
PWM, WDT
Number Of I /o
70
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F3026X25
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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7.12.2
Table 7.22 summarizes the registers of port B.
Table 7.22 Port B Registers
Address *
H'EE00A
H'FFFDA
Note: * Lower 20 bits of the address in advanced mode.
Port B Data Direction Register (PBDDR): PBDDR is an 8-bit write-only register that can select
input or output for each pin in port B. When pins are used for TPC output, the corresponding
PBDDR bits must also be set.
The pin functions that can be selected for port B differ between modes 1 to 5, and modes 6 and 7.
For the method of selecting the pin functions, see tables 7.23 and 7.24.
When port B functions as an input/output port, a pin in port B becomes an output port if the
corresponding PBDDR bit is set to 1, and an input port if this bit is cleared to 0.
PBDDR is a write-only register. Its value cannot be read. All bits return 1 when read.
PBDDR is initialized to H'00 by a reset and in hardware standby mode. In software standby mode
it retains its previous setting. Therefore, if a transition is made to software standby mode while
port B is functioning as an input/output port and a PBDDR bit is set to 1, the corresponding pin
maintains its output state.
Bit
Initial value
Read/Write
Register Descriptions
Name
Port B data direction register
Port B data register
PB DDR
7
W
7
0
PB DDR
6
W
6
0
PB DDR
5
W
5
0
Port B data direction 7 to 0
These bits select input or output for port B pins
PB DDR
Abbreviation
PBDDR
PBDR
4
W
4
0
PB DDR
Rev. 2.00 Sep 20, 2005 page 201 of 800
3
W
3
0
PB DDR
R/W
W
R/W
2
W
2
0
PB DDR
Initial Value
H'00
H'00
Section 7 I/O Ports
REJ09B0260-0200
1
W
1
0
PB DDR
0
W
0
0
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