ZLF645 MAXIM [Maxim Integrated Products], ZLF645 Datasheet - Page 25

• Manufacturer Part Number: ZLF645
• Description: Flash MCUs with Learning Amplification
• Manufacturer: MAXIM [Maxim Integrated Products]

19-4572; Rev 0; 4/09
Table 10. 48-Pin SSOP Functional Pin Identification (Continued)
Pin No
45
46
2
3
4
29
19
20
21
22
26
28
27
1
6
14
23
30
36
47
48
12
13
24
37
38
18
17
25
P47
Symbol
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
P45
P46
V
V
V
V
V
XTAL1
XTAL2
/RESET
DD
DD
SS
SS
SS
Port 3, bit 6
Port 3, bit 7
Port 4, bit 0
Port 4, bit 1
Port 4, bit 2
Port 4, bit 3
Port 4, bit 4
Port 4, bit 5
Port 4, bit 6
Port 4, bit 7
Crystal oscillator
Function
Port 2, bit 3
Port 2, bit 4
Port 2, bit 5
Port 2, bit 6
Port 2, bit 7
Port 3, bit 0; connect to VDD
if not used
Port 3, bit 1
Port 3, bit 2
Port 3, bit 3
Port 3, bit 4
Port 3, bit 5
Power Supply
Power Supply
Ground
Ground
Ground
Crystal oscillator
Bidirectional reset signal
ZLF645 Series Flash MCUs
Product Specification
Signal Direction
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Input
Input
Input/Output
Output
Output
Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Input
Input
Input
Input
Output
Input/Output
Pin Description
17