DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 143
DF2437FV
Manufacturer Part Number
DF2437FV
Description
IC H8S/2437 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of DF2437FV
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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6.4.4
In normal extended mode, the address above the bus address is enabled, which is indicated by the
output strobe signal (AS). In multiplex extended mode, the hold signal (AH) which indicates the
address fetch timing, is output. Output polarity of the AS/ AH signals can be controlled by the
PNCASH bit in BCR.
6.4.5
This LSI can output a maximum of 16 addresses.
In normal extended mode, enabling or disabling of A15 to A0 signal output is set by the data
direction register (DDR) bit for the port corresponding to the A15 to A0 pins. In external extended
mode, the A15 to A0 pins are placed in the input state after a reset, the corresponding DDR bits
should be set to 1 when outputting signals A15 to A0. For details, refer to section 7, I/O Ports.
In multiplex extended mode, the address output is decided by the access area bus width. If the
access area is 16 bits, the lower 16-bit internal addresses are output from A15 to A0 in the address
cycle. If the access area is 8 bits, the lower 8-bit internal addresses are output from A15 to A8 in
the address cycle.
Address Strobe/Hold Signal
Address Output
Rev.2.00 May. 28, 2009 Page 103 of 732
REJ09B0059-0200
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