LC87F06J2A Datasheet, PDF (11/32 Pages) Sanyo Semicon Device – CMOS IC FROM 192K byte, RAM 8192 byte on-chip 8-bit 1-chip Microcontroller

LC87F06J2A
Continued from preceding page.
Pin Name
I/O
Function description
SIO2 Port
SI2P0 to SI2P3
PWM0
PWM1
RES
I/O
• 4-bit I/O port
• I/O specifiable in 1-bit units
• Other functions:
SI2P0: SIO2 data output
SI2P1: SIO2 data input, bus input/output
SI2P2: SIO2 clock input/output
SI2P3: SIO2 clock output
O
• PWM0 output port
• General-purpose I/O available
O
• PWM1 output port
• General-purpose I/O available
I
Reset pin
XT1
I
• Input terminal for 32.768kHz X'tal oscillation
• Other functions:
General-purpose input port
Must be connected to VDD1 if not to be used.
XT2
I/O
• Output terminal for 32.768kHz X'tal oscillation
• Other functions:
General-purpose I/O port
Must be set for oscillation and kept open if not to be used.
CF1
I
Ceramic resonator input pin
CF2
O
Ceramic resonator output pin
Option
No
No
No
No
No
No
No
No
Port Output Types
The table below lists the types of port outputs and the presence/absence of a pull-up resistor. Data can be read into any
input port even if it is in the output mode.
Port
P00 to P07
Options selected
in units of
1 bit
Option type
1
CMOS
Output type
Pull-up resistor
Programmable (Note 1)
2
N-channel open drain
No
P10 to P17
P20 to P27
P30 to P36
PA0 to PA5
PC0 to PC7
PB0 to PB2
PB4, PB6
1 bit
1
CMOS
2
N-channel open drain
1 bit
1
CMOS
2
N-channel open drain
Programmable
Programmable
No
No
PE0 to PE7
PF0 to PF7
P70
-
No
CMOS
-
No
N-channel open drain
Programmable
Programmable
P71 to P73
-
No
CMOS
Programmable
P80 to P87
-
No
N-channel open drain
No
SI2P0, SI2P2
-
No
CMOS
No
SI2P3
PWM0, PWM1
SI2P1
-
No
CMOS (when selected as ordinary port)
No
N-channel open drain
(when SIO2 data is selected)
XT1
-
No
Input only
No
XT2
-
No
Output for 32.768kHz crystal oscillator
No
N-channel open drain
(when in general-purpose output mode)
Note 1: Programmable pull-up resistors for port 0 are controlled in 4-bit units (P00 to P03, P04 to P07).
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