EZ80L92AZ050SG Zilog, EZ80L92AZ050SG Datasheet - Page 188

• Manufacturer Part Number: EZ80L92AZ050SG
• Description: IC WEBSERVER 50MHZ 100LQFP
• Manufacturer: Zilog

Specifications of EZ80L92AZ050SG

• 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: EZ80L92x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Size: 64 KB
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 6
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: eZ80L920210ZCO
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3878; EZ80L92AZ050SG

PS013014-0107
ZDI Read Memory Register
When a Read is executed from the ZDI Read Memory register, the
data from the memory address currently pointed to by the program counter, PC; the pro-
gram counter is then incremented. In Z80 MEMORY mode, the memory address is
{MBASE, PC[15:0]}. In ADL MEMORY mode, the memory address is PC[23:0]. Refer
to the eZ80
MEMORY modes.
The program counter, PC, increments after each data Read. However, the ZDI register
address does not increment automatically when this register is accessed. As a result, the
ZDI master can read any number of data bytes out of memory through the ZDI Read
Memory register. See
Table 106. ZDI Read Memory Register (ZDI_RD_MEM = 20h in the ZDI
Register Read-Only Address Space)
Bit
Reset
CPU Access
Note: R = Read-only.
Bit
Position
[7:0]
zdi_rd_mem
®
CPU User Manual (UM0077) for more information regarding Z80 and ADL
Table
00h–FFh 8-bit data read from the memory address indicated by
Value
R
7
0
106.
Description
the CPU’s program counter. In Z80 MEMORY mode,
8-bit data is transferred out from address {MBASE,
PC[15:0]}. In ADL Memory mode, 8-bit data is
transferred out from address PC[23:0].
R
6
0
R
5
0
R
4
0
R
3
0
Product Specification
eZ80L92
R
2
0
ZiLOG Debug Interface
eZ80L92 MCU
fetches the
R
1
0
R
0
0
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