ZLF645S0Q2032G Maxim Integrated, ZLF645S0Q2032G Datasheet - Page 25

• 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
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