DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 607

MCU 5V 128K I-TEMP,PB-FREE, 100-

DF2148RTE20IV

Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheets

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
-
17.1.2
Figure 17.2 shows a block diagram of the keyboard buffer controller.
KD
(PS2AD,
PS2BD,
PS2CD)
KCLK
(PS2AC,
PS2BC,
PS2CC)
Legend:
KD:
KCLK:
KBBR:
KBCRH: Keyboard control register H
KBCRL: Keyboard control register L
Block Diagram
KBC data I/O pin
KBC clock I/O pin
Keyboard data buffer register
Control
Figure 17.2 Block Diagram of Keyboard Buffer Controller
logic
KDI
KCLKI
Parity
KDO
KCLKO
Register counter value
KB interrupt
KBCRH
KBCRL
KBBR
Rev. 4.00 Sep 27, 2006 page 561 of 1130
Section 17 Keyboard Buffer Controller
REJ09B0327-0400
Internal
data bus

Related parts for DF2148RTE20IV