HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 199
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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Table 6.5 shows the pin states in an idle cycle.
Table 6.5
Pins
A23 to A0, IOS
D15 to D0
AS
RD
HWR, LWR
Address bus
HWR, LWR
Data bus
Pin States in Idle Cycle
RD
(a) No idle cycle insertion
T
1
Bus cycle A
Long output floating time
Figure 6.16 Examples of Idle Cycle Operation
T
2
T
3
Bus cycle B
T
1
T
2
Data collision
Pin State
Contents of immediately following bus cycle
High impedance
High
High
High
Address bus
HWR, LWR
Data bus
RD
Rev. 3.00 Mar 21, 2006 page 143 of 788
T
1
Bus cycle A
Section 6 Bus Controller (BSC)
T
(b) Idle cycle insertion
2
T
3
T
I
Bus cycle B
REJ09B0300-0300
T
1
T
2
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