DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 199
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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6.1.3
Table 6.1 summarizes the pins of the bus controller.
Table 6.1
6.1.4
Table 6.2 summarizes the registers of the bus controller.
Table 6.2
Note:
Name
Address strobe
I/O select
Read
High write
Low write
Wait
Name
Bus control register
Wait state control register
* Lower 16 bits of the address.
Pin Configuration
Register Configuration
Bus Controller Pins
Bus Controller Registers
Symbol
AS
IOS
RD
HWR
LWR
WAIT
Abbreviation
BCR
WSCR
I/O
Output
Output
Output
Output
Output
Input
Function
Strobe signal indicating that address output on
address bus is enabled (when IOSE bit is 0)
I/O select signal (when IOSE bit is 1)
Strobe signal indicating that external space is
being read
Strobe signal indicating that external space is
being written to, and that the upper data bus
(D15 to D8) is enabled
Strobe signal indicating that external space is
being written to, and that the lower data bus
(D7 to D0) is enabled
Wait request signal when external 3-state
access space is accessed
R/W
R/W
R/W
Rev. 4.00 Sep 27, 2006 page 153 of 1130
Initial Value
H'D7
H'33
Section 6 Bus Controller
REJ09B0327-0400
Address *
H'FFC6
H'FFC7
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