EZ80F91AZ050EG Zilog, EZ80F91AZ050EG Datasheet - Page 72

• Manufacturer Part Number: EZ80F91AZ050EG
• Description: IC ACCLAIM MCU 256KB 144LQFP
• Manufacturer: Zilog
• Series: eZ80® Acclaim!®r

Specifications of EZ80F91AZ050EG

• 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-LQFP
• Processor Series: EZ80F91x
• Core: eZ80
• Data Bus Width: 8 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4
• 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: 269-3867; EZ80F91AZ050EG

PS019215-0910
Table 16
(RTC) as elevated to priority Level 1.
ten maskable interrupts.
Table 16. Example: Maskable Interrupt Priority
Table 17. Example: Priority Levels for Maskable Interrupts
Priority
Register
INT_P0
INT_P1
INT_P2
INT_P3
INT_P4
INT_P5
Priority
0
1
2
3
4
5
6
7
8
9
lists the maskable interrupts
044h
06Ch
084h
040h
048h
04Ch
050h
054h
058h
05Ch
Vector
Setting
02h
08h
02h
00h
00h
00h
Description
Increase 044h (EMAC Tx) to Priority Level 1
Increase 06Ch (RTC) to Priority Level 1
Increase 084h (Port A1) to Priority Level 1
Default priority
Default priority
Default priority
Source
EMAC Tx
RTC
Port A 1
EMAC Rx
EMAC SYS
PLL
Flash
Timer 0
Timer 1
Timer 2
044h
Table 17
(EMAC Tx),
lists the new interrupt priority for the top
084h
(Port A 1), and
Product Specification
Interrupt Controller
eZ80F91 MCU
06Ch
63