ZLF645S2864GP0001 Maxim Integrated, ZLF645S2864GP0001 Datasheet - Page 15

• Manufacturer Part Number: ZLF645S2864GP0001
• Description: 8-bit Microcontrollers - MCU Crimzon Flash Infrared MCU
• Manufacturer: Maxim Integrated

Specifications of ZLF645S2864GP0001

• Core: Z8
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 1 KB
• Operating Supply Voltage: 2 V to 3.6 V
• Interface Type: UART
• Number Of Programmable I/os: 5
• Number Of Timers: 2 x 8 bit, 1 x 16 bit
• Processor Series: ZLF645
• Program Memory Type: Flash

19-4572; Rev 0; 4/09
Table 4
by function.
Table 4. 20-Pin QFN Functional Pin Identification
Pin No
10
11
1
13
14
15
16
17
18
19
20
5
6
7
8
9
2
12
4
3
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 direction of each pin within the 20-pin QFN package
Symbol
P00
P30
P01
P07
P20
P21
P22
P23
P24
P25
P26
P27
P31
P32
P33
P34
P36
V
GND
XTAL1
XTAL2
DD
Port 2, bit 4
Port 2, bit 5
Port 2, bit 6
Port 2, bit 7
Port 3, bit 1
Port 3, bit 2
Port 3, bit 3
Port 3, bit 4
Port 3, bit 6
Function
Port 0, bit 0
Port 3, bit 0
Port 0, bit 1
Port 0, bit 7
Port 2, bit 0
Port 2, bit 1
Port 2, bit 2
Port 2, bit 3
Power Supply
Ground In
Crystal oscillator
Crystal oscillator
ZLF645 Series Flash MCUs
Product Specification
Signal Direction
Input/Output
Input
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input
Input
Input
Input/Output
Output
Input
Input
Output
put
Pin Description
7