EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 362

• 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 240. External I/O Read Timing (Continued)
PS027001-0707
Parameter
T
T
T
8
9
10
External I/O Write Timing
ADDR[23:0]
DATA[7:0]
(output)
IORQ
Abbreviation
PHI Clock Rise to IORQ Deassertion Delay
PHI Clock Rise to RD Assertion Delay
PHI Clock Rise to RD Deassertion Delay
CSx
WR
PHI
Figure 71
rise/fall to signal transition timing is independent of the particular bus mode employed
(eZ80, Z80, Intel, or Motorola).
and
T
Table 241
7
T
Figure 71. External I/O Write Timing
T
1
5
on page 355 display the timing for external I/O Writes. PHI clock
T
CLK
T
3
T
9
Minimum
1.0
2.7
0.5
Delay (ns)
T
10
T
T
T
4
2
T
6
8
Maximum
6.3
6.3
7.0
Product Specification
Electrical Characteristics
eZ80F91 ASSP
354