EZ80190AZ050EG Zilog, EZ80190AZ050EG Datasheet - Page 62

• Manufacturer Part Number: EZ80190AZ050EG
• Description: IC WEBSERVER 50MHZ XTEMP 100LQFP
• Manufacturer: Zilog

Specifications of EZ80190AZ050EG

• Processor Type: eZ80
• Features: High Speed, Single-Cycle Instruction-Fetch
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Processor Series: EZ80190x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: ROMLess
• Data Ram Size: 8 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 6
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3865; EZ80190AZ050EG

Table 17. Register Values for Memory Chip Select Example
PS006614-1208
Chip
Select
CS0
CS1
CSx_CTL[3]
CSx_EN
1
1
CS0_LBR = CS1_LBR = 00h
CSx_CTL[4]
CS2_UBR = CFh
CS3_UBR = FFh
CS0_UBR = 7Fh
CSx_IO
CS3_LBR = D0h
CS2_LBR = A0h
CS1_LBR = 9Fh
0
0
Figure 8. Memory Chip Select Example
CSx_LBR CSx_UBR Description
00h
80h
2 MB Adddress Space
3 MB Address Space
3 MB Address Space
8 MB Address Space
CS3 Active
CS2 Active
CS1 Active
CS0 Active
7Fh
9Fh
CS0 is enabled as a Memory Chip Select.
Valid addresses range from 000000h to
7FFFFFh.
CS1 is enabled as a Memory Chip Select.
Valid addresses range from 800000h to
9FFFFFh.
Memory
Location
FFFFFFh
CFFFFFh
A00000h
9FFFFFh
800000h
7FFFFFh
D00000h
000000h
Chip Selects and Wait States
Product Specification
eZ80190
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