DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 289
DF3052BX25V
Manufacturer Part Number
DF3052BX25V
Description
MCU 5V 512K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3052BX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3052BX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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9.5.2
Table 9.6 summarizes the registers of port 4.
Table 9.6
Address *
H'FFC5
H'FFC7
H'FFDA
Note: * Lower 16 bits of the address.
Port 4 Data Direction Register (P4DDR)
P4DDR is an 8-bit write-only register that can select input or output for each pin in port 4.
Bit
Initial value
Read/Write
P4DDR is a write-only register. Its value cannot be read. All bits return 1 when read.
P4DDR is initialized to H'00 by a reset and in hardware standby mode. In software standby mode
it retains its previous setting.
Modes 1 to 6 (Expanded Modes)
When all areas are designated as 8-bit-access areas, selecting 8-bit bus mode, port 4 functions
as a generic input/output port. A pin in port 4 becomes an output port if the corresponding
P4DDR bit is set to 1, and an input port if this bit is cleared to 0.
When at least one area is designated as a 16-bit-access area, selecting 16-bit bus mode, port 4
functions as part of the data bus.
Mode 7 (Single-Chip Mode)
Port 4 functions as an input/output port. A pin in port 4 becomes an output port if the
corresponding P4DDR bit is set to 1, and an input port if this bit is cleared to 0.
Register Configuration
Port 4 Registers
Name
Port 4 data direction register
Port 4 data register
Port 4 input pull-up MOS control
register
P4 DDR
7
W
7
0
P4 DDR
6
W
6
0
P4 DDR
5
W
5
0
Port 4 data direction 7 to 0
These bits select input or output for port 4 pins
P4 DDR
4
W
4
0
P4DDR
P4DR
Abbreviation
P4PCR
P4 DDR
Rev. 3.00 Mar 21, 2006 page 259 of 814
3
W
3
0
P4 DDR
2
W
2
0
R/W
W
R/W
R/W
P4 DDR
1
W
Section 9 I/O Ports
1
0
REJ09B0302-0300
Initial Value
H'00
H'00
H'00
P4 DDR
0
W
0
0
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