HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 153

• 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: -

6.1.3
Table 6.1 summarizes the bus controller’s input/output pins.
Table 6.1
Name
Chip select 7 to 0
Address strobe
Read
High write
Low write
Wait
Bus request
Bus acknowledge
Input/Output Pins
Bus Controller Pins
Abbreviation
CS
AS
RD
HWR
LWR
WAIT
BREQ
BACK
7
to CS
0
I/O
Output
Output
Output
Output
Output
Input
Input
Output
Function
Strobe signals selecting areas 7 to 0
Strobe signal indicating valid address output
on the address bus
Strobe signal indicating reading from the
external address space
Strobe signal indicating writing to the
external address space, with valid data on
the upper data bus (D
Strobe signal indicating writing to the
external address space, with valid data on
the lower data bus (D
Wait request signal for access to external
three-state-access areas
Request signal for releasing the bus to an
external device
Acknowledge signal indicating the bus is
released to an external device
Rev. 3.00 Sep 27, 2006 page 125 of 872
Section 6 Bus Controller
7
15
to D
to D
REJ09B0325-0300
0
)
8
)