DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 125
DF2345TE20
Manufacturer Part Number
DF2345TE20
Description
MCU 5V 128K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2300r
Datasheet
1.DF2345TE20V.pdf
(929 pages)
Specifications of DF2345TE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
71
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-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2345TE20
HD64F2345TE20
HD64F2345TE20
Available stocks
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Quantity
Price
Company:
Part Number:
DF2345TE20V
Manufacturer:
Renesas
Quantity:
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Part Number:
DF2345TE20V
Manufacturer:
Renesas Electronics America
Quantity:
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4.7
When accessing word data or longword data, the H8S/2345 Group assumes that the lowest address
bit is 0. The stack should always be accessed by word transfer instruction or longword transfer
instruction, and the value of the stack pointer (SP, ER7) should always be kept even. Use the
following instructions to save registers:
Use the following instructions to restore registers:
Setting SP to an odd value may lead to a malfunction. Figure 4.6 shows an example of what
happens when the SP value is odd.
Legend:
Note: This diagram illustrates an example in which the interrupt control mode is 0, in advanced mode.
PUSH.W
PUSH.L
POP.W
POP.L
SP
Notes on Use of the Stack
CCR: Condition code register
PC:
R1L: General register R1L
SP:
SP set to H'FFFEFF
Stack pointer
Program counter
Rn
ERn
Rn
ERn
TRAP instruction executed
Figure 4.6 Operation when SP Value is Odd
(or MOV.W Rn, @-SP)
(or MOV.L ERn, @-SP)
(or MOV.W @SP+, Rn)
(or MOV.L @SP+, ERn)
SP
Data saved above SP
CCR
PC
MOV.B R1L, @–ER7
SP
Rev. 4.00 Feb 15, 2006 page 99 of 900
Contents of CCR lost
Section 4 Exception Handling
R1L
PC
H'FFFEFA
H'FFFEFB
H'FFFEFC
H'FFFEFD
H'FFFEFF
REJ09B0291-0400
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