Pin Functions; Table 1-4-2 Pin Function Table (1/2) - Panasonic MN103001G/F01K User Manual

1.4.2 Pin Functions

Table 1-4-2 shows the function of each pin of this microcontroller.
Category Pin name
Power supply VDD
VSS
VDD2(VPP)
Clock OSCI
OSCO
SYSCLK
CKSEL
PVDD
PVSS
Address bus A23 to 0
Data bus D15 to 0
Address/ ADM15 to 0
Data bus
Bus control MMOD1 to 0
signals EXMOD1 to 0
RE
CS3 to 0
WE1 to 0
DK
BG
BR
CAS
RAS2 to 1
AS
RWSEL
DCAS1 to 0
DWE

Table 1-4-2 Pin Function Table (1/2)

Input/ Number
Output of pins
8 Digital system power supply (+3.3 V)
7 Digital system GND
1 "VDD2" in the case of the MN103001G, "VPP" in the
case of the MN1030F01K. Connect to 5 V or 3.3 V.
Always input 5 V to VPP when writing.
I 1 Oscillator input (use input of 3.3 V to 0 V amplitude only.)
O 1 Oscillator output
(Open when using an external clock input)
O 1 System clock output (multipurpose)
I 1 Switch for using/not using PLL
1 PLL power supply (+3.3 V)
1 PLL GND
O 24 Address lines 23 to 0 (multipurpose, A23 also serves as
CS3.)
I/O 16 Data lines 15 to 0 (multipurpose)
I/O (16) Address/Data lines 15 to 0 (A15 to 0 multipurpose)
I 2 Mode setting signals
I 2 Extension mode setting (multipurpose)
O 1 Memory read signal (multipurpose)
O 4 Chip select signals (multipurpose)
O 2 Memory write signals (multipurpose)
I 1 Data acknowledge signal (multipurpose)
O 1 Bus authority release signal (multipurpose)
I 1 Bus authority request signal (multipurpose)
O (1) DRAM CAS signals (for 2WE) (multipurpose of A22)
O (2) DRAM RAS signal (multipurpose of CS2 to 1)
O (1) Address strobe signal (Also serves as D0.)
O (1) Read/write select (Also serves as D1.)
O (2) DRAM CAS signal (for 2 CAS)
O (1) DRAM write signal (for 2 CAS)
General Specifications
Pin Function
1-7