EZ80F91NA050EG Zilog, EZ80F91NA050EG Datasheet - Page 256
EZ80F91NA050EG
Manufacturer Part Number
EZ80F91NA050EG
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050EG
Core Processor
Z8
Core Size
8-Bit
Speed
50MHz
Connectivity
Ethernet, I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LBGA
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
- 40 C
For Use With
269-4712 - KIT DEV ENCORE 32 SERIES269-4671 - BOARD ZDOTS SBC Z80ACCLAIM PLUS269-4561 - KIT DEV FOR EZ80F91 W/C-COMPILER269-4560 - KIT DEV FOR EZ80F91 W/C-COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-3869
EZ80F91NA050EG
EZ80F91NA050EG
Available stocks
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Part Number
Manufacturer
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Price
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Table 139. ZDI Read/Write Control Register Functions (ZDI_RW_CTL = 16h in the ZDI
Register Write Only Address Space)
PS019215-0910
Hex
Value
00
01
02
03
04
Note:
Command
Read {MBASE, A, F}
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read BC
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read DE
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read HL
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
Read IX
ZDI_RD_U
ZDI_RD_H
ZDI_RD_L
ZDI Read/Write Control Register
The ZDI Read/Write Control register is used in the ZDI Write Only Register address to
read data from, write data to, and manipulate the CPU’s registers or memory locations.
When this register is written, the eZ80F91 device immediately performs the operation
corresponding to the data value written as listed in
executed via this register, the requested data values are placed in the ZDI Read Data
registers {ZDI_RD_U, ZDI_RD_H, ZDI_RD_L}. When a Write operation is executed via
this register, the Write data is taken from the ZDI Write Data registers {ZDI_WR_U,
ZDI_WR_H, ZDI_WR_L}. See
eZ80
The CPU’s alternate register set (A’, F’, B’, C’, D’, E’, HL’) cannot be read directly. The
ZDI programmer must execute the exchange instruction (EXX) to gain access to the alter-
nate CPU register set.
®
CPU User Manual (UM0077) available on www.zilog.com.
A
C
E
L
IXL
MBASE
F
BCU
B
DEU
D
HLU
H
IXU
IXH
Hex
Value
80
81
82
83
84
Table
139. For information on the CPU registers, refer to
Command
Write AF
MBASE
F
A
Write BC
BCU
B
C
Write DE
DEU
D
E
Write HL
HLU
H
L
Write IX
IXU
IXH
IXL
ZDI_WR_L
ZDI_WR_H
ZDI_WR_L
ZDI_WR_H
ZDI_WR_L
ZDI_WR_L
ZDI_WR_H
ZDI_WR_H
ZDI_WR_L
ZDI_WR_U
ZDI_WR_H
ZDI_WR_U
ZDI_WR_U
ZDI_WR_U
Table
ZDI_WR_U
139. When a Read operation is
Product Specification
Zilog Debug Interface
eZ80F91 MCU
247
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