ZLF645E0Q2064G Zilog, ZLF645E0Q2064G Datasheet - Page 25

• Manufacturer Part Number: ZLF645E0Q2064G
• Description: IC MCU 64K FLASH 1K RAM 20-QFN
• Manufacturer: Zilog
• Series: Crimzon™ ZLFr

Specifications of ZLF645E0Q2064G

• Core Processor: Z8 LXMC
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, WDT
• Number Of I /o: 16
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.9 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Oscillator Type: -
• Other names: 269-4723

PS026407-0408
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
Symbol
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
P45
P46
P47
V
V
V
V
V
XTAL1
XTAL2
/RESET
DD
DD
SS
SS
SS
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
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
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