LC868116 Datasheet, PDF (9/28 Pages) Sanyo Semicon Device – 8-Bit Single Chip Microcontroller with 16/12/08K-Byte ROM and 640-Byte RAM On Chip

Pin Description
LC868116/12/08A
Name
VSS
VDD
VLCD
V1 to V5
VOUT2
CUP1,2
Port0
P00 to P07
Port1
P10 to P17
No.
75,133
1,103
71
66-70
72
74,73
112-119
87-94
I/O
Function description
Option
- Power terminal (-)
-
- Power terminal (+)
-
- Power terminal (+) for LCD driver *2
-
- Voltage supply terminals to LCD drivers *2
-
- Output terminals for doubler VOUT2 ≅ 2X(VDD-VSS) -
- Capacitor connecting terminals for doubler, tripler
-
I/O •8-bit input/output port
•Pull-up resistor :
•Input/output can be specified in 4-bit
Provided/Not provided
•External memory mode
•Output form :
1. EXT resistor bit 2=0
CMOS/N-ch open drain
Address output of lower 8-bit, input/output
of data
2. EXT resistor bit 2=1
•Input/output of data
•Input for key interrupt (P30INT=0) *1
I/O •8-bit input/output port
•Output form :
•Input/output can be specified in a bit
CMOS/N-ch open drain
•Another functions
P10 SIO0 data output
P11 SIO0 data input, bus input/output
P12 SIO0 clock input/output
P13 SIO1 data output
P14 SIO1 data input, bus input/output
P15 SIO1 clock input/output
P16 Buzzer output
P17 Timer 1 output (PWM output)
Port2
P20 to P27
Port3
P30 to P37
120-127
104-111
I/O •8-bit input/output port
•Input/output can be specified in a bit
•External memory mode
Address output of upper 8-bit
I/O •8-bit input/output port
•Input/output in a bit
•External memory mode
1. EXT resistor bit 2=0 : input/output port
2. EXT resistor bit 2=1 : address output of lower
8-bit for external memory
•Input for key interrupt (P30INT=L) *1
•Output form :
CMOS/N-ch open drain
•Pull-up resistor :
Provided/Not provided
•Output form :
CMOS/N-ch open drain
*1 P30INT : Bit 0 of Port 3 interrupt control register.
*2 The structure of the LCD power supply is shown below.
VLCD
V5
Resistor for
LCD contrast
adjustment
V4
V3
Note : If the microcontroller is operated at 3V, the voltage doubler
output (VOUT2) should be connected to the LCD power
terminal (VLCD).
(or the output of an external voltage doubler should be
connected to VLCD)
V2
V1
VSS
No.6724-9/28