DS80CH11 Maxim, DS80CH11 Datasheet - Page 81

• Manufacturer Part Number: DS80CH11
• Description: The system energy manager is a highly integrated microcontroller that provides several key features for systems including key scanning and control, battery and power management, as well as two 2-Wire serial I/O Ports
• Manufacturer: Maxim

PORT 2
DATA MEMORY WRITE WITH STRETCH=1 Figure 13–4
DATA MEMORY WRITE WITH STRETCH=2 Figure 13–5
PSEN
PORT 0
PORT 2
PORT 0
PSEN
CLK
WR
ALE
CLK
WR
ALE
C1
C1
Instruction
Instruction
A0–A7
Address
of Previous
Address
Last Cycle
Instruction
MOVX
MOVX
C2
A0–A7
Last Cycle of
Instruction
C2
Previous
A8–A15
C3
Instruction
C3
D0–D7
MOVX
A8–A15
C4
Instruction
MOVX
D0–D7
C4
C1
Next Instr.
Address
A0–A7
Machine
C2
C1
Cycle
First
Next Instr.
Address
A0–A7
A8–A15
C3
C2
Machine
Instruction
Cycle
First
D0–D7
Read
C4
Next
C3
FOUR CYCLE DATA MEMORY WRITE
A8–A15
C1
Instruction
D0–D7
C4
Read
Address
Next
A0–A7
MOVX
Data
Machine
C2
Second
STRETCH VALUE=2
Cycle
C1
C3
MOVX Instruction
MOVX Instruction
Address
A0–A7
MOVX
Data
C4
C2
Machine
Second
Cycle
C1
C3
C2
Machine
C4
Cycle
Third
C3
A8–A15
MOVX Data
C1
A8–A15
C4
MOVX Data
D0–D7
D0–D7
C2
Machine
C1
Cycle
Third
C3
Machine
C2
Fourth
Cycle
C3
C4
C4
C1
C1
Machine Cycle
A0–A7
Instruction
C2
Instruction
A0–A7
Machine
C2
Next
Cycle
Next
011200 81/88
A8–A15
DS80CH11
C3
A8–A15
C3
D0–D7
D0–D7
C4
C4