ZLF645E0H2864G Zilog, ZLF645E0H2864G Datasheet - Page 14

• Manufacturer Part Number: ZLF645E0H2864G
• Description: IC MCU 64K FLASH 1K RAM 28-SSOP
• Manufacturer: Zilog
• Series: Crimzon™ ZLFr

Specifications of ZLF645E0H2864G

• 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: 24
• 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: 28-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Oscillator Type: -
• Other names: 269-4719

PS026407-0408
Table 3
sequentially by pin number.
Table 3. 20-Pin QFN Sequential Pin Identification
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
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 directions of each pin within the 20-pin QFN package
Symbol
P07
V
XTAL2
XTAL1
P31
P32
P33
P34
P36
P00
P30
P01
GND
P20
P21
P22
P23
P24
P25
P26
P27
DD
Function
Port 0, bit 7
Power Supply
Crystal oscillator
Crystal oscillator
Port 3, bit 1
Port 3, bit 2
Port 3, bit 3
Port 3, bit 4
Port 3, bit 6
Port 0, bit 0
Port 3, bit 0
Port 0, bit 1
Ground
Port 2, bit 0
Port 2, bit 1
Port 2, bit 2
Port 2, bit 3
Port 2, bit 4
Port 2, bit 5
Port 2, bit 6
Port 2, bit 7
ZLF645 Series Flash MCUs
Signal Direction
Input/Output
Input
Output
Input
Input
Input
Input
Input/Output
Output
Input/Output
Input
Input/Output
Input
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Product Specification
Pin Description
6