ZLF645E0H2864G Zilog, ZLF645E0H2864G Datasheet - Page 11

• 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
Note:
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All signals with an overline, “ ”, are active Low. For example, B/W, in which WORD is
active Low, and B/W, in which BYTE is active Low.
Power connections use the conventional descriptions listed in
Table 2. Power Connections
Connection
Power
Ground
8-bit UART:
–
–
–
–
ICP (In-circuit Flash Programming) interface multiplexed with one of the GPIO’s.
Intelligent Power-On Reset (POR) to provide reduced POR time on detection
of stable clock from external crystal oscillator or resonator.
Low-voltage and high-voltage detection flags.
Programmable Watchdog Timer (WDT)/POR circuits.
Two on-board analog comparators with independent reference voltages and
programmable interrupt polarity.
User-selectable options through option bit Flash coding (ON/OFF):
–
–
–
–
–
–
–
–
–
–
–
–
R
4800, 9600, 19200, and 38400 baud rates
Parity Odd/Even/None
Stop bits 1/2
Port 0 pins 0–3 pull-up transistors
Port 0 pins 4–7 pull-up transistors
Port 1 pins 0–3 pull-up transistors
Port 1 pins 4–7 pull-up transistors
Port 2 pins 0–7 pull-up transistors
Port 3 pins 0–3 pull-up transistors
Port 4 pins 0–7 pull-up transistors
WDT enabled at Power-On Reset
Flash lowest half main memory protect
Flash entire main memory protect
16-bit addressability for stack pointer
No division, divide by 2, divide by 16, or divide by 32 of external clock to system
clock
X
and T
X
interrupts
Device
V
V
DD
SS
ZLF645 Series Flash MCUs
Table
Product Specification
2.
Features
3