LC87F40C8A Datasheet, PDF (14/26 Pages) Sanyo Semicon Device – Internal 128K-byte FROM (ROM/CGROM), 2048 byte RAM, 1024-byte CGRAM, and 704×10-bit CRT Display RAM 8-bit 1-chip Microcontroller

LC87F40C8A
Allowable Operating Conditions at Ta = -10°C to +70°C, VSS1 = VSS2 = 0V
Parameter
Symbol
Operating
supply voltage
VDD(1)
Pin/Remarks
VDD1=VDD2
Conditions
0.211µs≤tCYC≤200µs
VDD[V]
min
4.5
Specification
typ
max
unit
5.5
Memory
sustaining
VHD
VDD1=VDD2
RAM and register contents
sustained in HOLD mode
2.0
5.5
supply voltage
High level
input voltage
VIH(1)
Ports 0, 1, 2, 3
P71 to P73, 8, C
P70 port input/
interrupt side
4.5 to 5.5
0.3VDD
+0.7
VDD
HS, VS
VIH(2)
Port 70
watchdog timer
side
4.5 to 5.5
0.9VDD
VDD _V
Low level
input voltage
VIH(3)
VIL(1)
XT1, RES
Ports 0, 1, 2, 3
P71 to P73, 8, C
P70 port input/
interrupt side
4.5 to 5.5 0.75VDD
4.5 to 5.5
VSS
VDD
0.1VDD
+0.4
HS, VS
VIL(2)
Port 70
watchdog timer
side
4.5 to 5.5
VSS
0.15VDD
+0.4
CVIN input
amplitude
VIL(3)
VCVIN
XT1, RES
CVIN
4.5 to 5.5
5.0
VSS
1Vp-p
-3dB
1Vp-p
0.25VDD
1Vp-p
+3dB
Vp-p
Instruction
cycle time
tcyc(1)
(Note 2-1)
All functions
4.5 to 5.5
0.211 0.212
0.213 µs
tcyc(2)
(Note 2-1)
Except for OSD and data slicer
functions
4.5 to 5.5
0.211
200 µs
External OSD
clock
frequency
FEXOS(1)
FEXOS(2)
P26/OSDCKI
DUTY50±5% of
external OSD clock
(Note 2-3)
SCON1=0
SCON1=1
4.5 to 5.5
14.28
28.56
15.44
30.88
MHz
Oscillation
frequency
range
(Note 2-2)
FmVCO1
FmVCO2
FmRC
Internal VCO1 oscillator
Internal VCO2
Oscillator (Note 2-3)
CKSEL0=0
CKSEL0=1
Internal RC oscillator
4.5 to 5.5
4.5 to 5.5
4.5 to 5.5
14.08
14.28
28.56
0.3
14.15
14.75
29.5
1.0
14.22
15.44
30.88
2.0
MHz
FsX'tal
XT1, XT2
32.768kHz crystal oscillation mode
4.5 to 5.5
32.768
kHz
See Fig. 1.
Note 2-1: Relationship between tCYC and oscillation frequency is 3/FmVCO1 at a division ratio of 1/1 and 6/FmVCO1
at a division ratio of 1/2.
Note 2-2: See Table 1 for the oscillation constants
Note 2-3: SCAN1 is Hsync frequency switch bit. CKSEL0 is OSD clock frequency switch bit.
(Refer to the LC874000 user's manual for details.)
No.A0139-14/26