ZLF645 MAXIM [Maxim Integrated Products], ZLF645 Datasheet - Page 14

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

19-4572; Rev 0; 4/09
Table 3
sequentially by pin number.
Table 3. 20-Pin QFN Sequential Pin Identification
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Note: When the Port 0 low-nibble pull-up option is enabled and the P30 input is Low, current flows
through the pull-up to Ground.
lists the function and signal directions of each pin within the 20-pin QFN package
Symbol
P07
V
XTAL2
XTAL1
P31
P32
P33
P34
P36
P00
P30
P01
GND
P20
P21
P22
P23
P24
P25
P26
P27
DD
Function
Port 0, bit 7
Power Supply
Crystal oscillator
Crystal oscillator
Port 3, bit 1
Port 3, bit 2
Port 3, bit 3
Port 3, bit 4
Port 3, bit 6
Port 0, bit 0
Port 3, bit 0
Port 0, bit 1
Ground In
Port 2, bit 0
Port 2, bit 1
Port 2, bit 2
Port 2, bit 3
Port 2, bit 4
Port 2, bit 5
Port 2, bit 6
Port 2, bit 7
ZLF645 Series Flash MCUs
Signal Direction
Input/Output
Input
Output
Input
Input
Input
Input
Input/Output
Output
Input/Output
Input
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Product Specification
put
Pin Description
6