LC87F83C8A Datasheet, PDF (23/31 Pages) Sanyo Semicon Device – FROM 128K byte, RAM 6K byte on-chip 8-bit ETR Microcontroller

LC87F83C8A/C8AU/96A/96AU/64A/64AU
Continued from preceding page.
Name
Pin No.
I/O
Function Description
Option
SIO2
I/O • 4-bit I/O port
No
SI2P0
49
SI2P1
50
SI2P2
51
SI2P3
52
• I/O specifiable in 1-bit units
• Shared functions:
SI2P0: SIO2 data output
SI2P1: SIO2 data input, bus input/output
SI2P2: SIO2 clock input/output
SI2P3: SIO2 clock output
PWM0
54
I/O • PWM0 output port
No
• General-purpose I/O available
PWM1
53
I/O • PWM1 output port
No
• General-purpose I/O available
RES
8
I
• Reset pin
No
Must connect it with VDD1 through RC (Refer to Page27 Figure 1)
XT1
9
I
• Input terminal for 32.768kHz X'tal oscillation
No
• Shared functions:
General-purpose input port
Must be set for input with software and connected to VSS1 if not to be used.
XT2
10
I/O • Output terminal for 32.768kHz X'tal oscillation
No
• Shared functions:
General-purpose I/O port
Must be set for general-purpose output and kept open if not to be used.
Please connect suitable dumping resistance for the crystal used between the terminal
when you use it as Output terminal for 32.768kHz X'tal oscillation.
CF1
12
I
• Input terminal for 13.5MHz X'tal oscillation
No
CF2
13
O
• Output terminal for 13.5MHz X'tal oscillation
No
EO
94
O
• Output terminal for main charge pump
No
SUBPD
95
O
• Output terminal for sub charge pump
No
FMIN
90
I
• Input terminal for FM VCO (local oscillator)
No
• The signal input to this pin must be capacitor coupled
• Input frequency: 10 to 150MHz
Please open the terminal when you do not use this terminal. Moreover, please make the
pull-down of this terminal effective with software.
AMIN
91
I
• Input terminal for AM VCO (local oscillator)
No
• The signal input to this pin must be capacitor coupled
• Input frequency: 0.5 to 40MHz
Please open the terminal when you do not use this terminal. Moreover, please make the
pull-down of this terminal effective with software.
HCTR
92
I
• Input terminal for Universal counter
No
• The signal input to this pin must be capacitor coupled
• Input frequency: 0.4 to 12MHz
Please open the terminal when you do not use this terminal. Moreover, please make the
pull-down of this terminal effective with software.
LCTR
93
I
• Input terminal for Universal counter
No
• The signal input to this pin must be capacitor coupled
• Input frequency: 100 to 500kHz
Please open the terminal when you do not use this terminal. Moreover, please make the
pull-down of this terminal effective with software.
VREG
87
O
• Internal low voltage output
No
• Connect a bypass capacitor to this pin. (Refer to Page27)
Note: The coupling capacitors must be placed as close to the pins as possible. A capacitance of 100pF is recommended.
The capacitance value for HCTR and LCTR must be 1000pF or less.
No.A1780-23/31