DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 630

• 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: -

Section 18 Host Interface
18.1.2
Figure 18.1 shows a block diagram of the host interface.
Rev. 4.00 Sep 27, 2006 page 584 of 1130
REJ09B0327-0400
CS2/ECS2
Legend:
IDR1:
IDR2:
ODR1:
ODR2:
STR1:
STR2:
HICR:
GA20
HIRQ1
HIRQ11
HIRQ12
HIRQ3
HIRQ4
HIFSD
IOW
CS1
CS3
CS4
HA0
IOR
Block Diagram
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 1
interrupt
request
Host
Internal interrupt signals
IBF4 IBF3
Port 4, port 8, port B
Figure 18.1 Block Diagram of Host Interface
Control logic
Internal data bus
IBF2 IBF1
A20 gate
control
Fast
IDR3:
IDR4:
ODR3:
ODR4:
STR3:
STR4:
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
HICR2
ODR4
ODR2
STR4
STR2
ODR3
ODR1
HICR
STR3
Bus
STR1
IDR3
IDR4
IDR1
IDR2