Z87C33 Datasheet, PDF (10/72 Pages) Zilog, Inc. – CMOS Z8® MCU Consumer Controller Processor

Z87C33
CMOS Z8“ MCU Consumer Controller Processor
4
Pin Description
Pin #
1–3
4-7
8
9
10
11-13
14-15
16
17
18
19-21
22
23
24-28
P25 1
P26 2
P27 3
P04 4
P05 ₅
P06 ₆
P07 ₇
V_{DD 8}
XTAL2 ₉
XTAL1 ₁₀
P31 ₁₁
P32 ₁₂
P33 ₁₃
P34 ₁₄
28 P24
27 P23
26 P22
25 P21
24 P20
23 P03
22 VSS
21 P02
20 P01
19 P00
18 P30
17 P36
16 P37
15 P35
Figure 2.28-Pin DIP/SOIC Pin Configuration
Table 2. 28-Pin DIP/SOIC Pin Configuration
Symbol
P25-27
P04-07
V_DD
XTAL2
XTAL1
P31-33
P34-35
P37
P36
P30
P00-02
V_SS
P03
P20-24
Function
Port 2, Pins 5,6,7
Port 0, Pins 4-7
Power Supply
Crystal Oscillator
Crystal Oscillator
Port 3, Pins 1,2,3
Port 3, Pins 4,5
Port 3, Pin 7
Port 3, Pin 6
Port 3, Pin 0
Port 0, Pins 0,1,2
Ground
Port 0, Pin 3
Port 2, Pins 0,1,2,3,4
Direction
Input/Output
Input/Output
Output
Input
Fixed Input
Fixed Output
Fixed Output
Fixed Output
Fixed Input
Input/Output
Input/Output
Input/Output
PS015601-1003