DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 608
![MCU 5V 128K I-TEMP,PB-FREE, 100-](/photos/28/61/286108/100-tqfp_sml.jpg)
DF2148RTE20IV
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
-
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Section 17 Keyboard Buffer Controller
17.1.3
Table 17.1 lists the input/output pins used by the keyboard buffer controller.
Table 17.1 Keyboard Buffer Controller Input/Output Pins
Channel
0
1
2
Note:
17.1.4
Table 17.2 lists the registers of the keyboard buffer controller.
Table 17.2 Keyboard Buffer Controller Registers
Channel
0
1
2
Common
Notes: 1. Lower 16 bits of the address.
Rev. 4.00 Sep 27, 2006 page 562 of 1130
REJ09B0327-0400
* These are the external I/O pin names. In the text, clock I/O pins are referred to as KCLK
2. Only 0 can be written in bits 2 and 1, to clear the flags.
Input/Output Pins
Register Configuration
and data I/O pins as KD, omitting the channel designations.
Name
Keyboard control register H
Keyboard control register L
Keyboard data buffer register
Keyboard control register H
Keyboard control register L
Keyboard data buffer register
Keyboard control register H
Keyboard control register L
Keyboard data buffer register
Module stop control register
Name
KBC clock I/O pin (KCLK0)
KBC data I/O pin (KD0)
KBC clock I/O pin (KCLK1)
KBC data I/O pin (KD1)
KBC clock I/O pin (KCLK2)
KBC data I/O pin (KD2)
KBBR0
KBBR1
KBBR2
Abbreviation *
PS2AC
PS2AD
PS2BC
PS2BD
PS2CC
PS2CD
Abbreviation
KBCRH0
KBCRL0
KBCRH1
KBCRL1
KBCRH2
KBCRL2
MSTPCRH
MSTPCRL
R/W
R/(W) *
R/W
R
R/(W) *
R/W
R
R/(W) *
R/W
R
R/W
R/W
I/O
I/O
I/O
I/O
I/O
I/O
I/O
2
2
2
Initial Value
H'70
H'70
H'00
H'70
H'70
H'00
H'70
H'70
H'00
H'3F
H'FF
Function
KBC data input/output
KBC data input/output
KBC data input/output
KBC clock input/output
KBC clock input/output
KBC clock input/output
Address *
H'FED8
H'FED9
H'FEDA
H'FEDC
H'FEDD
H'FEDE
H'FEE0
H'FEE1
H'FEE2
H'FF86
H'FF87
1
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