LC87F2W48A Datasheet, PDF (22/26 Pages) Sanyo Semicon Device – 50K-byte FROM and 1536-byte RAM integrated 8-bit 1-chip Microcontroller

LC87F2W48A
UART (Full Duplex) Operating Conditions at Ta = -40°C to +85°C, VSS1 = VSS2 = VSS3 = 0V
Parameter
Symbol
Pin/Remarks
Conditions
VDD[V]
min
Specification
typ
max
unit
Transfer rate
UBR
UTX(P20),
URX(P21)
2.7 to 5.5
16/3
8192/3 tCYC
Data length: 7, 8, and 9 bits (LSB first)
Stop bits:
1 bit (2-bit in continuous data transmission)
Parity bits:
None
Example of Continuous 8-bit Data Transmission Mode Processing (first transmit data=55H)
Start bit
Start of
transmission
Transmit data (LSB first)
Stop bit
End of
transmission
UBR
Example of Continuous 8-bit Data Reception Mode Processing (first receive data=55H)
Start bit
Start of
reception
Receive data (LSB first)
Stop bit
End of
reception
UBR
Characteristics of a Sample Main System Clock Oscillation Circuit
Given below are the characteristics of a sample main system clock oscillation circuit that are measured using a
SANYO-designated oscillation characteristics evaluation board and external components with circuit constant values
with which the oscillator vendor confirmed normal and stable oscillation.
Table 1 Characteristics of a Sample Main System Clock Oscillator Circuit with a Ceramic Oscillator
• _{CF oscillation normal amplifier size selected (CFLAMP=0)}
Nominal
Frequency
Vendor
Name
Oscillator Name
Circuit Constant
Operating
Voltage Range
C1
C2
Rf1
Rd1
[V]
[pF] [pF]
[Ω]
[Ω]
Oscillation
Stabilization Time
(Symbol: tmsCF)
typ
max
[ms]
[ms]
12MHz
CSTCE12M0G52-R0
(10) (10) Open 680
2.7 to 5.5
0.03
10MHz
CSTCE10M0G52-R0
(10) (10) Open 680
2.7 to 5.5
0.03
CSTLS10M0G53-B0
(15) (15) Open 680
2.7 to 5.5
0.03
CSTCE8M00G52-R0
(10) (10) Open 1.0k
2.7 to 5.5
0.03
8MHz
MURATA CSTLS8M00G53-B0
(15) (15) Open 1.0k
2.7 to 5.5
0.03
6MHz
CSTCR6M00G53-R0
(15)
(15) Open 1.5k
2.7 to 5.5
0.05
CSTLS6M00G53-B0
(15) (15) Open 1.5k
2.7 to 5.5
0.03
4MHz
CSTCR4M00G53-R0
(15)
(15) Open 1.5k
2.7 to 5.5
0.05
CSTLS4M00G53-B0
(15) (15) Open 1.5k
2.7 to 5.5
0.03
Remarks
Internal
C1,C2
No.A1869-22/26