參數(shù)資料
型號: UPD6105C002
英文描述: Consumer IC
中文描述: 消費(fèi)性IC
文件頁數(shù): 16/36頁
文件大小: 252K
代理商: UPD6105C002
μ
PD61P24
16
16. MASK OPTIONS (PLA DATA)
The following items are fixed by mask option:
K
I
, S-IN pin pull-down resistor provided
Carrier duty selection (1/3) at f
OSC
/12
Hang-up detection provided
<1> K
I/O
ALL
The system is reset when the hang-up detection K
I/O
ALL switch is set to ON (“1”) by PLA data and if the
K
I/O
pins are in the input mode in the oscillation stop HALT mode or if even one of the K
I/O
pins is low.
To use a pin as a key source of the switch, turn ON the switch with PLA data.
Figure 16-1. Hang-up Detection K
I/O
ALL Configuration Diagram
V
DD
To RESET circuit
PLA hang-up
detection
K
I/O
ALL switch
K output signal
I/O0
K output signal
I/O1
K output signal
I/O2
K output signal
I/O3
K output signal
I/O4
K output signal
I/O5
K input/output selection
I/O
K output signal
I/O6
K output signal
I/O7
<2> HALT release condition specification (S-IN, K
I/O
, K
I
)
The system is reset if S-IN and K
I/O
are used in the HALT mode when S-IN and K
I/O
are specified by PLA data
not to be used (“1”). K
I
is used (“0”).
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