HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 894

• Manufacturer Part Number: HD64F3048BF25
• Description: IC H8 MCU FLASH 128K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3048BF25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 8MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Appendix D Pin States
Reset in T2 State
Figure D.2 is a timing diagram for the case in which RES goes low during the T2 state of an
external memory access cycle. As soon as RES goes low, all ports are initialized to the input state.
AS, RD, HWR, and LWR go high, and the data bus goes to the high-impedance state. The address
bus is initialized to the low output level 0.5 state after the low level of RES is sampled. The same
timing applies when a reset occurs during a wait state (T
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REJ09B0325-0300
RES
Internal
reset signal
Address bus
CS
CS
AS
RD (read access)
HWR, LWR
(write access)
Data bus
(write access)
I/O port
0
7
to CS
Figure D.2 Reset during Memory Access (Reset during T2 State)
1
Access to external address
T1
T2
W
).
T3
H'000000
High-impedance
High-impedance
High-impedance