EZ80F91NA050EC Zilog, EZ80F91NA050EC Datasheet - Page 326

• Manufacturer Part Number: EZ80F91NA050EC
• Description: IC ACCLAIM MCU 256KB 144-BGA
• Manufacturer: Zilog
• Series: eZ80® Acclaim!®r

Specifications of EZ80F91NA050EC

• 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
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 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: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: No
• Other names: 269-3250

Table 204. EMAC Reset Control Register
PS019215-0910
Bit
Reset
CPU Access
Note: R = Read Only; R/W = Read/Write.
Bit
Position
[7:6]
5
SRST
4
HRTFN
3
HRRFN
2
HRTMC
1
HRRMC
0
HRMGT
EMAC Reset Control Register
The bit values in the EMAC Reset Control Register are not self-clearing bits. You are
responsible for controlling their state. See
Value
00
1
0
1
0
1
0
1
0
1
0
1
0
Description
Reserved
Software Reset Active—resets Receive, Transmit, EMAC
Control and EMAC MII_MGT functions
Normal operation
Reset Transmit function
Normal operation
Reset Receive function
Normal operation
Reset EMAC Transmit Control function
Normal operation
Reset EMAC Receive Control function
Normal operation
Reset EMAC Management function
Normal operation
R
7
0
R
6
0
R/W
5
1
(EMAC_RST = 0041h)
R/W
4
0
Table
R/W
3
0
204.
R/W
2
0
R/W
Ethernet Media Access Controller
1
0
Product Specification
R/W
0
0
317