EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 373

• 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

Index
Numerics
100-pin LQFP package 4, 5
16-bit clock divisor value 182, 208
16-bit divisor count 182, 208
32 KHz Real-Time Clock Crystal Oscillator Opera-
tion 341
A
AAK 219, 220, 222, 223, 224, 228, 229
Absolute Maximum Ratings 343
Absolute maximum ratings 343
AC Characteristics 348
ACK 215, 219, 220, 221, 222, 223, 226, 230,
231
Acknowledge 215
Acknowledge, I2C 215
ADDR0 6
ADDR1 6
ADDR10 6
ADDR11 6
ADDR12 7
ADDR13 7
ADDR14 7
ADDR15 7
ADDR16 7
ADDR17 7
ADDR18 7
ADDR19 7
ADDR2 6
ADDR20 7
ADDR21 7
ADDR22 7
ADDR23 7
ADDR3 6
ADDR4 6
ADDR5 6
ADDR6 6
ADDR7 6
ADDR8 6
PS027001-0707
ADDR9 6
Address Bus 6, 7
address bus 58, 68, 70, 71, 74, 75, 78, 81, 82,
85, 86, 161, 242, 243, 253, 259
address bus, 24-bit 27
Addressing, I2C 225
ALARM 160, 174
ALARM bit flag 173
alarm condition 160, 161, 173, 174
AND/OR Gating of the PWM Outputs 148, 149
Arbiter, EMAC 293
Arbitration, I2C 217
asynchronous communications protocol 175, 176
asynchronous communications protocol bits 176
asynchronous serial data 11, 14
B
Basic Timer Operation 122
Basic Timer Register Set 130
Baud Rate Generator 181
Baud Rate Generator Functional Description 207
BCD 159, 173, 174
Binary Operation 161, 162, 163, 166, 167, 168,
169, 170, 171, 172
binary operation 159
binary-coded-decimal 159
Binary-Coded-Decimal Operation 161, 164, 165,
166, 167, 168, 169, 170, 171, 172
bit generation 175, 176
Block Diagram 2
Boot Block 25, 97, 107, 109
Boundary Scan Cell Functionality 264
Boundary Scan Instructions 268
Boundary-Scan Architecture 261
break detection 175, 185
Break Point Halting 126
break point trigger functions 261
BRG Control Registers 182
Bus Acknowledge Cycle 70
bus acknowledge cycle 6, 8, 9, 89, 90, 91, 94
bus acknowledge pin 70, 253
Bus Arbiter 89
Bus Arbitration Overview 213
Product Specification
eZ80F91 ASSP
365