EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 366

• 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

PS027001-0707
Port Output
READ on Data Bus
General Purpose Input/Output Port Input Sample Timing
General Purpose I/O Port Output Timing
PHI
Input Value
GPIO Input
GPIO Data
Data Latch
GPIO Pin
Figure 74
pin is sampled on the rising edge of the system clock. The port value is then available to
the CPU on the second rising clock edge following the change of the port value.
Figure 75
PHI
T
1
illustrates timing of the GPIO input sampling. The input value on a GPIO port
and
Table 242
Figure 74. Port Input Sample Timing
Figure 75. GPIO Port Output Timing
T
CLK
Data Register
Port Value
Changes to 0
Into GPIO
0 Latched
on page 359 display timing information for GPIO port pins.
T
CLK
Product Specification
Electrical Characteristics
GPIO Data Register
Value 0 Read
by eZ80
T
eZ80F91 ASSP
2
358