DS89C430-QNL+ Dallas Semiconductor, DS89C430-QNL+ Datasheet - Page 34

• Manufacturer Part Number: DS89C430-QNL+
• Description: 8BIT CISC 16KB FLASH 33MHZ 5V 44PLCC
• Manufacturer: Dallas Semiconductor

Specifications of DS89C430-QNL+

• Eeprom Memory: 0 Bytes
• Input Output: 32
• Interface: UART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin PLCC
• Programmable Memory: 16K Bytes
• Ram Size: 1K Bytes
• Speed: 33 MHz
• Timers: 4-8-bit, 3-16-bit
• Voltage, Range: 4.5-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part

Figure 12. Page Mode 1, External Data Memory Access
(PAGES = 01, STRETCH = 1, CD = 10)
RD / WR
RD / WR
XTAL1
Port 0
Port 2
RD / WR
PSEN
PSEN
Port 0
Port 2
Port 0
Port 2
ALE
PSEN
ALE
ALE
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst
MOVX Inst
Fetch
MOVX Inst
Fetch
LSB Addr
LSB Addr
LSB Addr
MOVX
MOVX
Inst
MSB Addr
MSB Addr
LSB Addr
Inst
LSB Addr
LSB Addr
MSB Addr
Memory Access (Stretch =1)
MOVX
Inst
DS89C430/DS89C450 Ultra-High-Speed Flash Microcontrollers
MOVX Instruction
MOVX Instruction
34 of 48
Memory Access (Stretch =1)
LSB Addr
Inst
Memory Access (Stretch =1)
LSB Addr
LSB Addr
MOVX Instruction
Data
Data
LSB Addr
Data
LSB Addr
LSB Addr
Inst
Inst
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst
LSB Addr
LSB Addr
LSB Addr
Inst
Inst
Inst