ZLF645E0H2864G Zilog, ZLF645E0H2864G Datasheet - Page 18

• 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 6
and SSOP packages by function.
Table 6. 20-Pin PDIP/SOIC/SSOP Functional Pin Identification
Pin No
13
14
4
16
17
18
19
20
1
2
3
8
9
10
11
12
5
15
7
6
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 PDIP, SOIC,
Symbol
P00
P30
P01
P07
P20
P21
P22
P23
P24
P25
P26
P27
P31
P32
P33
P34
P36
V
V
XTAL1
XTAL2
DD
SS
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
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
Power Supply
Ground
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
Input
Output
Pin Description
10