DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 127
DF2148ATE20
Manufacturer Part Number
DF2148ATE20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148ATE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148ATE20
HD64F2148ATE20
HD64F2148ATE20
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
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Part Number:
DF2148ATE20IV
Manufacturer:
Renesas Electronics America
Quantity:
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EEPMOV (MOVe data to EEPROM)
Operand Format and Number of States Required for Execution
Note: * n is the initial value of R4. Although n bytes of data are transferred, 2(n + 1) data accesses are
Notes
This instruction first reads memory at the addresses indicated by ER5 and ER6, then carries out
the block data transfer.
EEPMOV.W Instruction and Interrupt
If an interrupt request occurs while the EEPMOV.W instruction is being executed, interrupt
exception handling is carried out after the current byte has been transferred. Register contents are
then as follows:
ER5: address of the next byte to be transferred
ER6: destination address of the next byte
R4:
The program counter value pushed on the stack in interrupt exception handling is the address of
the next instruction after the EEPMOV.W instruction. Programs should be coded as follows to
allow for interrupts during execution of the EEPMOV.W instruction.
Example:
L1: EEPMOV.W
Interrupt requests other than NMI are not accepted if they are masked in the CPU.
During execution of the EEPMOV.B instruction no interrupts are accepted, including NMI.
Addressing
MOV.W
BNE
Mode
number of bytes remaining to be transferred
—
performed, requiring 2(n + 1) states. (n = 0, 1, 2, …, 65535).
EEPMOV.W
R4,R4
L1
Mnemonic
Operands
1st byte
7
B
2nd byte
D
Instruction Format
Rev. 4.00 Feb 24, 2006 page 111 of 322
4
Section 2 Instruction Descriptions
3rd byte
5
9
Block Data Transfer
4th byte
8
REJ09B0139-0400
F
4 + 2n *
States
No. of
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