DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 302
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 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
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
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Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
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Company:
Part Number:
DF2148ATE20IV
Manufacturer:
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Section 8 I/O Ports
Port 8 Data Direction Register (P8DDR)
P8DDR is a 7-bit write-only register, the individual bits of which specify input or output for the
pins of port 8. P8DDR has the same address as PBPIN, and if read, the port B state will be
returned.
Setting a P8DDR bit to 1 makes the corresponding port 8 pin an output pin, while clearing the bit
to 0 makes the pin an input pin.
P8DDR is initialized to H'80 by a reset and in hardware standby mode. It retains its prior state in
software standby mode.
Port 8 Data Register (P8DR)
P8DR is a 7-bit readable/writable register that stores output data for the port 8 pins (P86 to P80). If
a port 8 read is performed while P8DDR bits are set to 1, the P8DR values are read directly,
regardless of the actual pin states. If a port 8 read is performed while P8DDR bits are cleared to 0,
the pin states are read.
P8DR is initialized to H'80 by a reset and in hardware standby mode. It retains its prior state in
software standby mode.
8.9.3
Port 8 pins also function as SCI1 I/O pins (TxD1, RxD1, SCK1), the IIC1 I/O pin (SCL1), HIF
I/O pins (CS2, GA20, HA0, HIFSD), and external interrupt input pins (IRQ5 to IRQ3). The port 8
pin functions are shown in table 8.19.
Rev. 4.00 Sep 27, 2006 page 256 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Pin Functions
—
—
—
—
7
1
7
1
P86DDR P85DDR P84DDR P83DDR P82DDR P81DDR P80DDR
P86DR
R/W
W
6
0
6
0
P85DR
R/W
W
5
0
5
0
P84DR
R/W
W
4
0
4
0
P83DR
R/W
W
3
0
3
0
P82DR
R/W
W
2
0
2
0
P81DR
R/W
W
1
0
1
0
P80DR
R/W
W
0
0
0
0
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