HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 546
HD64F2145BTE20
Manufacturer Part Number
HD64F2145BTE20
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2145BTE20
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
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
-
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Section 17 Keyboard Buffer Controller
Rev. 3.00 Mar 21, 2006 page 490 of 788
REJ09B0300-0300
KD
(PS2AD,
PS2BD,
PS2CD)
KCLK
(PS2AC,
PS2BC,
PS2CC)
Legend:
KD:
KCLK:
KBBR:
KBCRH: Keyboard control register H
KBCRL: Keyboard control register L
KBC data I/O pin
KBC clock I/O pin
Keyboard data buffer register
Figure 17.1 Block Diagram of Keyboard Buffer Controller
Control
logic
KDI
KCLKI
Parity
KDO
KCLKO
Register counter value
KBI interrupt
KBCRH
KBCRL
KBBR
Internal
data bus
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