CHAPTER 2 PIN FUNCTIONS
User’s Manual U12688EJ4V0UM00
63
(18) MODE0 to MODE3 (Mode) ··· input
These are the input pins that specify the operation mode. Operation modes can be roughly divided into
normal operation mode and flash memory programming mode. In the normal operation mode, there are
single-chip modes 0 and 1, and ROM-less modes 0 and 1 (for details, refer to 3.3 Operation Modes). The
operation mode is determined by sampling the status of each of the MODE0 to MODE3 pins during reset.
Note that this status must be fixed so that the input level does not change during operation.
(a)
µµµµ
PD703100, 703100A
MODE3
MODE2
MODE1
MODE0
Operation Mode
L
L
L
L
ROM-less mode 0
L
L
L
H
Normal operation
mode
ROM-less mode 1
Other than above
Setting prohibited
(b)
µµµµ
PD703101, 703101A, 703102, 703102A
MODE3
MODE2
MODE1
MODE0
Operation Mode
L
L
L
L
ROM-less mode 0
L
L
L
H
ROM-less mode 1
L
L
H
L
Single-chip mode 0
L
L
H
H
Normal operation
mode
Single-chip mode 1
Other than above
Setting prohibited
(c)
µµµµ
PD70F3102, 70F3102A
MODE3/VPP
MODE2
MODE1
MODE0
Operation Mode
0 V
L
L
L
ROM-less mode 0
0 V
L
L
H
ROM-less mode 1
0 V
L
H
L
Single-chip mode 0
0 V
L
H
H
Normal operation
mode
Single-chip mode 1
7.8 V
L
H
L
Flash memory programming mode
Other than above
Setting prohibited
Remark
L: Low-level input
H: High-level input
Содержание V850E/MS1 UPD703100
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