EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 70

• Manufacturer Part Number: EZ80F91AZA50EG
• Description: IC ACCLAIM MCU 256KB 144LQFP
• Manufacturer: Zilog
• Series: eZ80® AcclaimPlus!™r

Specifications of EZ80F91AZA50EG

• 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
• 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: 269-4563

Table 15. Interrupt Vector Priority Control Bits
PS027001-0707
Priority Control
Bit
Note: *The vector addresses 064h and 068h are left unused to avoid conflict with the NMI vector address 066h.
INT_P0[0]
INT_P0[1]
INT_P0[2]
INT_P0[3]
INT_P0[4]
INT_P0[5]
INT_P0[6]
INT_P0[7]
INT_P1[0]
INT_P1[1]
INT_P1[2]
INT_P1[3]
INT_P1[4]
INT_P1[5]
INT_P1[6]
INT_P1[7]
INT_P2[0]
INT_P2[1]
INT_P2[2]
INT_P2[3]
INT_P2[4]
INT_P2[5]
INT_P2[6]
INT_P2[7]
The Interrupt Vector Priority Control bits are listed in
If more than one maskable interrupt is prioritized to a higher level (Level 1), the higher-
priority interrupts follow the priority order as described in
Vector
04Ch
05Ch
06Ch
07Ch
08Ch
09Ch
040h
044h
048h
050h
054h
058h
060h
064h
068h
070h
074h
078h
080h
084h
088h
090h
094h
098h
EMAC SYS
EMAC Rx
EMAC Tx
Unused*
Unused*
Port A 0
Port A 1
Port A 2
Port A 3
Port A 4
Port A 5
Port A 6
Port A 7
UART 0
UART 1
Source
Timer 0
Timer 1
Timer 2
Timer 3
Flash
RTC
PLL
SPI
I
2
C
Priority Control
Bit
INT_P3[0]
INT_P3[1]
INT_P3[2]
INT_P3[3]
INT_P3[4]
INT_P3[5]
INT_P3[6]
INT_P3[7]
INT_P4[0]
INT_P4[1]
INT_P4[2]
INT_P4[3]
INT_P4[4]
INT_P4[5]
INT_P4[6]
INT_P4[7]
INT_P5[0]
INT_P5[1]
INT_P5[2]
INT_P5[3]
INT_P5[4]
INT_P5[5]
INT_P5[6]
INT_P5[7]
Table
Table 14
15.
Vector
0BCh
0CCh
0DCh
0ACh
0C0h
0C4h
0C8h
0D0h
0D4h
0D8h
0ECh
0FCh
0A0h
0A4h
0A8h
0B0h
0B4h
0B8h
0E0h
0E4h
0E8h
0F0h
0F4h
0F8h
Product Specification
on page 61. For
eZ80F91 ASSP
Interrupt Controller
Port C 0
Port C 1
Port C 2
Port C 3
Port C 4
Port C 5
Port C 6
Port C 7
Port D 0
Port D 1
Port D 2
Port D 3
Port D 4
Port D 5
Port D 6
Port D 7
Port B 0
Port B 1
Port B 2
Port B 3
Port B 4
Port B 5
Port B 6
Port B 7
Source
62