VRS51C1100-40-Q Cypress Semiconductor, VRS51C1100-40-Q Datasheet - Page 46

• Manufacturer Part Number: VRS51C1100-40-Q
• Description: 8-bit Microcontrollers - MCU 128K+1K 40MHz 5V
• Manufacturer: Cypress Semiconductor

Specifications of VRS51C1100-40-Q

• Product Category: 8-bit Microcontrollers - MCU
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 40 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 1 KB
• Operating Supply Voltage: 4.5 V to 5.5 V
• Package / Case: QFP-44
• Mounting Style: SMD/SMT
• Data Rom Size: 128 B
• Interface Type: UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Program Memory Type: Flash
• Factory Pack Quantity: 96
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V

External Data Memory Read Cycle
The following timing diagram provides External Data Memory Read Cycle timing information.
______________________________________________________________________________________________
www.ramtron.com
F
IGURE
VRS51C1100
PORT 0
PORT 2
#PSEN
30: E
#RD
ALE
XTERNAL
D
ATA
M
EMORY
R
EAD
TAVLL
C
YCLE
From Ri or DPL
TAVYL
A0-A7
TLLAX
TLLYL
P2.0-P2.7 or A8 -A15 from DPH
TAVDV
TLLDV
TRLAZ
TRLDV
TRLRH
DATA IN
TRHDX
TRHDZ
TYHLH
From PCL
A8-A15 from PCH
A0-A7
page 46 of 50
INSTRL
IN