LC87F1M16A Datasheet, PDF (17/32 Pages) Sanyo Semicon Device – 8-bit 1-chip Microcontroller with Full-Speed USB

LC87F1M16A
Allowable Operating Conditions at Ta = -40°C to +85°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Symbol
Pin/Remarks
Conditions
Specification
VDD[V]
min
typ
max
unit
Operating
supply voltage
(Note 2-1)
VDD(1)
VDD1=VDD2=VDD3
0.245μs ≤ tCYC ≤ 200μs
0.490μs ≤ tCYC ≤ 200μs Except
in onboard programming mode
3.0
5.5
2.7
5.5
0.245μs ≤ CYC ≤ 0.383μs
USB circuit active
3.0
5.5
Memory
sustaining
VHD
VDD1=VDD2=VDD3
RAM and register contents
sustained in HOLD mode.
2.0
5.5
supply voltage
High level
input voltage
VIH(1)
Port 0, 1, 2, 3, 7
PWM0, PWM1
2.7 to 5.5
0.3VDD
+0.7
VDD
V
Low level
input voltage
VIH(2)
VIL(1)
XT1, XT2, CF1,RES
Port 1, 2, 3, 7
2.7 to 5.5
4.0 to 5.5
0.75VDD
VSS
VDD
0.1VDD
+0.4
VIL(2)
VIL(3)
Port 0
PWM0, PWM1
2.7 to 4.0
4.0 to 5.5
VSS
VSS
0.2VDD
0.15VDD
+0.4
Instruction
cycle time
(Note 2-2)
VIL(4)
VIL(5)
tCYC
XT1, XT2, CF1,RES
Except for onboard programming
mode
2.7 to 4.0
2.7 to 5.5
3.0 to 5.5
2.7 to 5.5
VSS
VSS
0.245
0.490
0.2VDD
0.25VDD
200
200 μs
USB circuit active
3.0 to 5.5
0.245
0.383
External
system clock
FEXCF(1) CF1
• CF2 pin open
• System clock frequency
frequency
division ratio=1/1
3.0 to 5.5
0.1
12
• External system clock duty
=50±5%
• CF2 pin open
• System clock frequency
MHz
division ratio=1/1
2.7 to 5.5
0.1
6
• External system clock duty
=50±5%
Oscillation
frequency
range
(Note 2-3)
FmCF
CF1, CF2
FmRC
FmSLRC
When 12MHz ceramic oscillation
See Fig. 1.
Internal RC oscillation
Internal low-speed RC oscillation
3.0 to 5.5
2.7 to 5.5
2.7 to 5.5
12
0.5
1.0
15
30
MHz
2.0
60
FsX’tal
XT1, XT2
32.768kHz crystal oscillation
See Fig. 2.
2.7 to 5.5
kHz
32.768
Note 2-1: VDD must be held greater than or equal to 3.0V in the flash ROM onboard programming mode.
Note 2-2: Relationship between tCYC and oscillation frequency is 3/FmCF at a division ratio of 1/1 and 6/FmCF at
a division ratio of 1/2.
Note 2-3: See Tables 1 and 2 for the oscillation constants.
No.A1909-17/32