DF2148BTE20 Renesas Electronics America, DF2148BTE20 Datasheet - Page 566

• 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 18 Host Interface X-Bus Interface (XBS)
Figure 18.1 shows a block diagram of the XBS.
Rev. 3.00 Mar 21, 2006 page 510 of 788
REJ09B0300-0300
CS2/ECS2
Legend:
IDR_1:
IDR_2:
ODR_1:
ODR_2:
STR_1:
STR_2:
HICR:
GA20
HIRQ1
HIRQ11
HIRQ12
HIRQ3
HIRQ4
HIFSD
IOW
CS1
CS3
CS4
HA0
IOR
Input data register_1
Input data register_2
Output data register_1
Output data register_2
Status register_1
Status register_2
Host interface control register
interrupt
request
Host
Internal interrupt signals
IBF4 IBF3
Port 4, port 8, port B
Control logic
Figure 18.1 Block Diagram of XBS
Internal data bus
IBF2 IBF1
A20 gate
control
Fast
IDR_3:
IDR_4:
ODR_3:
ODR_4:
STR_3:
STR_4:
HICR2:
HDB7 to HDB0
Input data register_3
Input data register_4
Output data register_3
Output data register_4
Status register_3
Status register_4
Host interface control register 2
interface
ODR_4
ODR_2
STR_4
STR_2
HICR2
ODR_3
ODR_1
STR_3
STR_1
IDR_3
IDR_4
IDR_1
IDR_2
HICR
Bus