DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 199

• 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

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