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Rev. 5.00, 09/03, page 634 of 760
Table 20.5 Analog Input Pin Ratings
Item Min Max Unit
Analog input capacitance — 20 pF
Allowable signal-source impedance — 5kΩ
Table 20.6 Relationship between Access Size and Read Data
Bus Width
32 Bits (D31–D0)
16 Bits (D15–D0) 8 Bits (D7–D0)
Endian
Access
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.