DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 214
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 6 Bus Controller
16-Bit, 3-State Access Space
Figures 6.10 to 6.12 show the bus timing for 16-bit, 3-state access space. When 16-bit access
space is accessed, the upper data bus (D15 to D8) is used for even addresses and the lower data
bus (D7 to D0) for odd addresses.
Wait states can be inserted.
Rev. 4.00 Sep 27, 2006 page 168 of 1130
REJ09B0327-0400
AS/IOS (IOSE = 1)
AS/IOS (IOSE = 0)
Read
Write
Address bus
D15 to D8
D15 to D8
D7 to D0
D7 to D0
Figure 6.10 16-Bit, 3-State Access Space Bus Timing (1)
HWR
LWR
RD
(Even Address Byte Access)
T
1
Bus cycle
High
Undefined
T
2
Valid
T
3
Invalid
Valid
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