Technical information

65
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Supply 5 V ± 10 % to VCC and 0 V to VSS.
Connect to 5 V ± 10 % in read-only mode, connect to 11.7 to 12.6 V in read/write mode.
Connect to VSS.
Connect a ceramic resonator between XIN and XOUT.
Connect to VSS.
Connect to VSS.
Port P0 functions as 8-bit address input (A0–A7).
Port P1 functions as 8-bit address input (A8–A15).
Function as 8-bit data’s I/O pins (D0–D7).
__ __ ___
P3 7 , P3 6 and P3 3 function as the OE, CE and WE input pins respectively. P3 1 functions as
the A 16 input pin. Connect P30 and P32 to VSS. Input “H” or “L” to P34, P35, or keep
them open.
Connect P44, P46 to VSS. Input “H” or “L” to P40 - P43, P45, P47, or keep them open.
Input “H” or “L”, or keep them open.
Input “H” or “L”, or keep them open.
Input “H” or “L”, or keep them open.
Input “H” or “L”, or keep them open.
Power supply
VPP input
Reset input
Clock input
Clock output
Analog supply input
Reference voltage input
Address input (A0–A7)
Address input (A8–A15)
Data I/O (D0–D7)
Control signal input
Input port P4
Input port P5
Input port P6
Input port P7
Input port P8
Table 20 Pin description (flash memory parallel I/O mode)
Pin Name
—
Input
Input
Input
Output
—
Input
Input
Input
I/O
Input
Input
Input
Input
Input
Input
Input
/Output
Functions
VCC, VSS
CNVSS
_____
RESET
XIN
XOUT
AVSS
VREF
P00–P07
P10–P17
P20–P27
P30–P37
P40–P47
P50–P57
P60–P67
P70–P77
P80–P87