DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 610

• Manufacturer Part Number: DF2148BTE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148BTE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, SCI, X-Bus
• Peripherals: 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): 4.5 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: HD64F2148BTE20; HD64F2148BTE20

Section 19 Host Interface LPC Interface (LPC)
Bit
4
3
Rev. 3.00 Mar 21, 2006 page 554 of 788
REJ09B0300-0300
Bit Name Initial Value Slave Host Description
SMIE3B
SMIE3A
0
0
R/W
R/W
R/W
—
—
Host SMI Interrupt Enable 3B
Enables or disables a host SMI interrupt request
when OBF3B is set by a TWR15 write.
0: Host SMI interrupt request by OBF3B and
SMIE3B is disabled
[Clearing conditions]
1: [When IEDIR = 0]
[Setting condition]
Writing 1 after reading SMIE3B = 0
Host SMI Interrupt Enable 3A
Enables or disables a host SMI interrupt request
when OBF3A is set by an ODR3 write.
0: Host SMI interrupt request by OBF3A and
SMIE3A is disabled
[Clearing conditions]
1: [When IEDIR = 0]
[Setting condition]
Writing 1 after reading SMIE3A = 0
Writing 0 to SMIE3B
LPC hardware reset, LPC software reset
Clearing OBF3B to 0 (when IEDIR = 0)
Host SMI interrupt request by setting OBF3B to 1
is enabled
[When IEDIR = 1]
Host SMI interrupt is requested
Writing 0 to SMIE3A
LPC hardware reset, LPC software reset
Clearing OBF3A to 0 (when IEDIR = 0)
Host SMI interrupt request by setting OBF3A to 1
is enabled
[When IEDIR = 1]
Host SMI interrupt is requested