DF2556FC20DV Renesas Electronics America, DF2556FC20DV Datasheet - Page 83
![IC H8S/2556 MCU FLASH 144QFP](/photos/12/29/122969/df2556fc20dv_sml.jpg)
DF2556FC20DV
Manufacturer Part Number
DF2556FC20DV
Description
IC H8S/2556 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2556FC20DV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
DF2556FC20DV
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
DF2556FC20DV
Manufacturer:
Renesas Electronics America
Quantity:
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2.4.2
This 24-bit counter indicates the address of the next instruction the CPU will execute. The length
of all CPU instructions is 2 bytes (one word), so the least significant PC bit is ignored. (When an
instruction is fetched, the least significant PC bit is regarded as 0.)
2.4.3
EXR is an 8-bit register that manipulates the LDC, STC, ANDC, ORC, and XORC instructions.
When these instructions except for the STC instruction is executed, all interrupts including NMI
will be masked for three states after execution is completed.
Bit
7
6 to 3
2
1
0
Bit Name
T
⎯
I2
I1
I0
Program Counter (PC)
Extended Control Register (EXR)
Initial Value
0
All 1
1
1
1
SP (ER7)
Figure 2.8 Stack Status
R/W
R/W
⎯
R/W
R/W
R/W
Description
Trace Bit
When this bit is set to 1, a trace exception is
generated each time an instruction is executed.
When this bit is cleared to 0, instructions are
executed in sequence.
Reserved
These bits are always read as 1.
These bits designate the interrupt mask level (0 to
7). For details, see section 5, Interrupt Controller.
Rev. 6.00 Sep. 24, 2009 Page 35 of 928
Stack area
Free area
REJ09B0099-0600
Section 2 CPU
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