638
Table 20.5
Analog Input Pin Ratings
Item
Min
Max
Unit
Analog input capacitance
—
20
pF
Allowable signal-source impedance
—
5
k
Ω
Table 20.6
Relationship between Access Size and Read Data
Bus Width
32 Bits (D31–D0)
16 Bits (D15–D0)
8 Bits (D7–D0)
Access
Endian
Size
Command
Big
Little
Big
Little
Big
Little
Byte
access
MOV.L#ADDRAH,R9
MOV.B@R9,R8
MOV.L#ADDRAL,R9
MOV.B@R9,R8
FFFFFFFF
C0C0C0C0
FFFFFFFF
C0C0C0C0
FFFF
C0C0
FFFF
C0C0
FF
C0
FF
C0
Word
access
MOV.L#ADDRAH,R9
MOV.W@R9,R8
MOV.L#ADDRAL,R9
MOV.W@R9,R8
FFxxFFxx
C0xxC0xx
FFxxFFxx
C0xxC0xx
FFxx
C0xx
FFxx
C0xx
FF
xx
C0
xx
xx
FF
xx
C0
Longword
access
MOV.L#ADDRAH,R9
MOV.L@R9,R8
FFxxC0xx
FFxxC0xx
Ffxx
C0xx
C0xx
FFxx
FF
xx
C0
xx
xx
C0
xx
FF
In this table:
#ADDRAH .EQU H'04000080
#ADDRAL .EQU H'04000082
Values are shown in hexadecimal for the case where read data is output to an
external device via R8.
Summary of Contents for SH7709S
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