DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 279
![MCU 5V 128K I-TEMP,PB-FREE, 100-](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
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
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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8.4
8.4.1
Port 3 is an 8-bit I/O port. Port 3 pins also function as host data bus I/O pins (HDB7 to HDB0)
(H8S/2148 Group and H8S/2147N only), and as data bus I/O pins. Port 3 functions change
according to the operating mode. Port 3 has a built-in MOS input pull-up function that can be
controlled by software.
Figure 8.9 shows the port 3 pin configuration.
Port 3
Port 3
Overview
Port 3 pins
P37/D15/HDB7
P36/D14/HDB6
P35/D13/HDB5
P34/D12/HDB4
P33/D11/HDB3
P32/D10/HDB2
P31/D9/HDB1
P30/D8/HDB0
Figure 8.9 Port 3 Pin Functions
Pin functions in modes 1, 2 and 3 (EXPE = 1)
D15 (I/O)
D14 (I/O)
D13 (I/O)
D12 (I/O)
D11 (I/O)
D10 (I/O)
D9 (I/O)
D8 (I/O)
Pin functions in modes 2 and 3 (EXPE = 0)
P37 (I/O)/HDB7 (I/O)
P36 (I/O)/HDB6 (I/O)
P35 (I/O)/HDB5 (I/O)
P34 (I/O)/HDB4 (I/O)
P33 (I/O)/HDB3 (I/O)
P32 (I/O)/HDB2 (I/O)
P31 (I/O)/HDB1 (I/O)
P30 (I/O)/HDB0 (I/O)
Rev. 4.00 Sep 27, 2006 page 233 of 1130
Section 8 I/O Ports
REJ09B0327-0400
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