HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 167

• Manufacturer Part Number: HD64F2623FA20J
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2623FA20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

7.1.3
Table 7.1 summarizes the pins of the bus controller.
Table 7.1
Name
Address strobe
Read
High write
Low write
Wait
Bus request
Bus request
acknowledge
Bus request
output
Pin Configuration
Bus Controller Pins
Symbol
AS
RD
HWR
LWR
WAIT
BREQ
BACK
BREQO
I/O
Output
Output
Output
Output
Input
Input
Output
Output
Function
Strobe signal indicating that address output on address
bus is enabled.
Strobe signal indicating that external space is being
read.
Strobe signal indicating that external space is to be
written, and upper half (D15 to D8) of data bus is
enabled.
Strobe signal indicating that external space is to be
written, and lower half (D7 to D0) of data bus is
enabled.
Wait request signal when accessing external 3-state
access space.
Request signal that releases bus to external device.
Acknowledge signal indicating that bus has been
released.
External bus request signal used when internal bus
master accesses external space when external bus is
released.
Rev. 5.00 Jan 10, 2006 page 141 of 1042
Section 7 Bus Controller
REJ09B0275-0500