LC8740C8A Datasheet, PDF (17/25 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller

LC8740C8A/B2A/96A
Pulse Input Conditions at Ta = -10°C to +70°C, VSS1 = VSS2 = 0V
Parameter
High/low level
Symbol
tPIH(1)
Pin/Remarks
INT0(P70),
Conditions
• Interrupt source flag can be set.
VDD[V]
Specification
min
typ
max
unit
pulse width
tPIL(1)
INT1(P71),
• Event inputs for timers 0 and 1 are 4.5 to 5.5
1
INT2(P72),
enabled.
tPIH(2)
INT3(P73) when
• Interrupt source flag can be set.
tPIL(2)
noise filter time
• Event inputs for timer 0 are
4.5 to 5.5
2
tPIH(3)
constant is 1/1
INT3(P73) when
enabled.
• Interrupt source flag can be set.
tCYC
tPIL(3)
noise filter time
• Event inputs for timer 0 are
4.5 to 5.5
64
constant is 1/32
enabled.
tPIH(4)
INT3(P73) when
• Interrupt source flag can be set.
tPIL(4)
noise filter time
• Event inputs for timer 0 are
4.5 to 5.5
256
constant is 1/128
enabled.
tPIL(5)
RES
Resetting is enabled.
4.5 to 5.5
200
tPIH(6)
HS, VS
• Display position controllable (Note)
tPIL(6)
• The active edge of HS and VS
µs
4.5 to 5.5
1
must be apart at least 1 tCYC.
• See Fig. 7.
Falling time
tTHL
HS
See Fig. 7. (Note 5-1)
4.5 to 5.5
100
ns
External OSD tOSCKI
OSDCKI(P26)
See Fig. 8.
clock input
4.5 to 5.5
10
ns
frequency
Note 5-1: When the falling edge of HS is affected by the noise, the start position of OSD can slip off. Note that the
signal lines with rapid state change or with large current should be allocated away from HS line.
AD Converter Characteristics at Ta = -10°C to +70°C, VSS1 = VSS2 = 0V
Parameter
Resolution
Absolute
accuracy
Symbol
N
ET
Pin/Remarks
AN0(P80)
to AN7(P87)
Conditions
(Note 6-1)
VDD[V]
min
4.5 to 5.5
4.5 to 5.5
Specification
typ
max
unit
8
bit
±1.5 LSB
Conversion
TCAD
AD conversion time=32×tCYC
13.50
97.92
time
(when ADCR2=0) (Note 6-2)
4.5 to 5.5
(tCYC=
(tCYC=
AD conversion time=64×tCYC
0.422µs)
13.50
3.06µs)
µs
97.92
(when ADCR2=1) (Note 6-2)
4.5 to 5.5
(tCYC=
(tCYC=
0.211µs)
1.53µs)
Analog input
voltage range
VAIN
4.5 to 5.5
VSS
VDD
V
Analog port
IAINH
VAIN=VDD
4.5 to 5.5
input current
IAINL
VAIN=VSS
4.5 to 5.5
-1
Note 6-1: The quantization error (±1/2LSB) is excluded from the absolute accuracy value.
1
µA
Note 6-2: The conversion time refers to the interval from the time the instruction for starting the converter is issued till
the time the complete digital value corresponding to the analog input value is loaded in the required register.
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