MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PIN CONFIGURATION (TOP VIEW)
VDD
VDD 1
VSS
VSS(0V) 2
X IN 3
V
X OUT 4
VPP
CNVSS 5
20 D0
19 D1
18 D2/C
17 D3/K
16 S0
SCLK
SDA
PGM
RESET 6
F0 7
VDD
F1 8
G0/INT 9
G1/TOUT 10
15 S1
14 S2
13 S3
12 G3
11 G2
Outline 20P 2N-A
V : A resistor is connected to XIN pin.
A capacitor is connected to XOUT pin.
Note: The state of each disconnected pin is the same as that at reset.
Fig. 32 Pin configuration of built-in PROM version (continued)
MITSUBISHI
ELECTRIC
55