ZLF645S0Q2032G Maxim Integrated, ZLF645S0Q2032G Datasheet - Page 22

• Manufacturer Part Number: ZLF645S0Q2032G
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

Specifications of ZLF645S0Q2032G

• Core: Z8
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 32 KB
• Data Ram Size: 1 KB
• On-chip Adc: No
• Operating Supply Voltage: 2 V to 3.6 V
• Package / Case: QFN-EP-20
• Mounting Style: SMD/SMT
• Interface Type: UART
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Number Of Programmable I/os: 5
• Number Of Timers: 2 x 8 bit, 1 x 16 bit
• On-chip Dac: No
• Processor Series: ZLF645
• Program Memory Type: Flash
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2 V

19-4572; Rev 0; 4/09
Figure 5
package.
Table 9
package sequentially by pin number.
Table 9. 48-Pin SSOP Sequential Pin Identification
Pin No
1
2
3
4
5
6
7
lists the functions and signal directions of each pin within the 48-pin SSOP 
displays the pin configuration of the ZLF645 MCU within the 48-pin SSOP
XTAL1
XTAL2
Symbol
P40
P25
P26
P27
P04
P41
P05
Figure 5. 48-Pin SSOP Pin Configuration
P16
P17
P31
P32
P33
P34
P43
P41
P06
P14
P15
V
V
P42
V
P40
P25
P26
P27
P04
P05
P07
DD
DD
SS
10
16
1
2
3
12
13
15
17
18
19
4
5
6
7
8
9
11
14
20
21
22
23
24
48-Pin SSOP
Function
Port 4, bit 0
Port 2, bit 5
Port 2, bit 6
Port 2, bit 7
Port 0, bit 4
Port 4, bit 1
Port 0, bit 5
40
39
48
47
46
45
44
43
42
41
38
37
36
35
34
33
32
31
30
29
28
27
26
25
P10
V
V
P45
P02
P11
P47
P46
P24
P23
P22
P21
P20
P03
P13
P01
P00
P44
P30/PREF1
P36
P37
P35
/RESET
P12
SS
SS
ZLF645 Series Flash MCUs
Product Specification
Signal Direction
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Pin Description
14