DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 305
![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
-
- Current page: 305 of 1179
- Download datasheet (7Mb)
8.10
8.10.1
Port 9 is an 8-bit I/O port. Port 9 pins also function as external interrupt input pins (IRQ0 to
IRQ2), the A/D converter external trigger input pin (ADTRG), host interface input pins (ECS2,
CS1, IOW, IOR) (H8S/2148 Group and H8S/2147N only), the IIC0 I/O pin (SDA0) (option in
H8S/2148 Group and H8S/2147N only), the subclock input pin (EXCL), bus control signal I/O
pins (AS/IOS, RD, HWR, LWR, WAIT), and the system clock ( ) output pin. In H8S/2148 Group
and H8S/2147N, P97 is an NMOS push-pull output. SDA0 is an NMOS open-drain output, and
has direct bus drive capability.
Figure 8.17 shows the port 9 pin configuration.
Port 9
Port 9
Overview
Port 9 pins
P97/WAIT/SDA0
P96/ /EXCL
P95/AS/IOS/CS1
P94/HWR/IOW
P93/RD/IOR
P92/IRQ0
P91/IRQ1
P90/LWR/IRQ2/ADTRG/ECS2
Figure 8.17 Port 9 Pin Functions
Pin functions in modes 1, 2 and 3 (EXPE = 1)
WAIT (Input)/P97 (I/O)/SDA0 (I/O)
AS (Output)/IOS (Output)
HWR (Output)
RD (Output)
P92 (I/O)/IRQ0 (Input)
P91 (I/O)/IRQ1 (Input)
P90 (I/O)/LWR (Output)/IRQ2 (Input)/ADTRG (Input)
Pin functions in modes 2 and 3 (EXPE = 0)
P97 (I/O)/SDA0 (I/O)
P96 (Input)/ (Output)/EXCL (Input)
P95 (I/O)/CS1 (Input)
P94 (I/O)/IOW (Input)
P93 (I/O)/IOR (Input)
P92 (I/O)/IRQ0 (Input)
P91 (I/O)/IRQ1 (Input)
P90 (I/O)/IRQ2 (Input)/ADTRG (Input)/ECS2 (Input)
(Output)/P96 (Input)/EXCL (Input)
Rev. 4.00 Sep 27, 2006 page 259 of 1130
Section 8 I/O Ports
REJ09B0327-0400
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