ZLF645S0P2864G Zilog, ZLF645S0P2864G Datasheet - Page 25

• Manufacturer Part Number: ZLF645S0P2864G
• Description: Microcontrollers (MCU) 64K Flash 512B RAM 28 pin
• Manufacturer: Zilog

Specifications of ZLF645S0P2864G

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Data Ram Size: 512 KB
• Interface Type: ICP, UART
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 3
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Package / Case: PDIP-28
• Minimum Operating Temperature: 0 C
• Lead Free Status / Rohs Status: Details

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