DF2268FA13 Renesas Electronics America, DF2268FA13 Datasheet - Page 333
DF2268FA13
Manufacturer Part Number
DF2268FA13
Description
IC H8S MCU FLASH 256K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Specifications of DF2268FA13
Core Processor
H8S/2000
Core Size
16-Bit
Speed
13MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
LCD, POR, PWM, WDT
Number Of I /o
67
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2268FA13
HD64F2268FA13
HD64F2268FA13
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2268FA13V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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4.1
The CPU is driven by a system clock, denoted by the symbol . The period from one rising edge
of to the next is referred to as a “state.” The memory cycle or bus cycle consists of one, two, or
three states. Different methods are used to access on-chip memory, on-chip supporting modules,
and the external address space. Refer to the relevant microcontroller hardware manual for details.
4.2
On-chip memory is accessed in one state. The data bus is 16 bits wide, permitting both byte and
word access. Figure 4.1 shows the on-chip memory access cycle. Figure 4.2 shows the pin states.
On-Chip Memory (ROM, RAM)
Overview
Internal address bus
Read
access
Write
access
Internal read signal
Internal data bus
Internal write signal
Internal data bus
Figure 4.1 On-Chip Memory Access Cycle
Section 4 Basic Timing
Bus cycle
Rev. 4.00 Feb 24, 2006 page 317 of 322
Address
T1
Read data
Write data
Section 4 Basic Timing
REJ09B0139-0400
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