EZ80F91AZ050EG Zilog, EZ80F91AZ050EG Datasheet - Page 380

• 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

Serial Peripheral Interface flag 209, 210
Serial Peripheral Interface Functional Description
204
Setting Timer Duration 122
Single Pass Mode 123
single pass mode 121, 124, 132
Single-Byte I/O Write 99
SLA 218, 220, 224, 279
SLA, Op Code Map 285, 286
SLA, Op Code map 281
SLAVE mode 211, 225, 228
slave mode 222, 223, 224
SLAVE mode, SPI 204
Slave Receive 211, 222
Slave Select 202
Slave Transmit 211, 221
Slave Transmit mode 226
slave transmit mode 221, 222
SLEEP Mode 45
SLEEP mode 173, 245, 253
sleep-mode recovery 173
sleep-mode recovery reset 174
Software break point instruction 257
Specialty Timer Modes 126
SPI Baud Rate Generator 205
SPI Baud Rate Generator Registers—Low Byte and
High Byte 206
SPI Control Register 208
SPI Data Rate 205
SPI Flag 204
SPI interrupt service routine 58
SPI Master device 206
SPI master device 19
SPI MASTER mode 204
SPI mode 17
SPI Receive Buffer Register 210
SPI Registers 206
SPI serial bus 209
SPI Serial Clock 18
SPI Signals 202
SPI slave device 19
SPI SLAVE mode 204
SPI Status Register 205, 209
SPI Transmit Shift Register 205, 206, 209
PS019215-0910
SPIF status bit—see Serial Peripheral Interface flag
209
SPIF—see Serial Peripheral Interface flag 204,
209
SRA 279
SRA, Op Code Map 281, 285
SRAM 1, 104, 231, 329, 359
SRAM, internal Ethernet 292
SS—see Slave Select 17, 202, 203, 204, 206,
208
STA 225
standard mode 211
Standard VHDL Package STD_1149_1_2001 260
START and STOP Conditions 212
START condition 212, 215, 216, 218, 219, 221,
222, 223, 225, 227, 228, 229, 230
start condition 213
Start Condition, ZDI 233
Starting Program Counter 59, 60
STOP condition 212, 213, 215, 219, 221, 222,
226, 227, 229, 230
Supply Voltage 340
supply voltage 2, 42, 50, 211, 267, 339
Switching Between Bus Modes 84
System clock 47, 48, 115
system clock 41, 45, 51, 54, 118, 125, 127, 132,
150, 181, 205, 229, 230, 238, 258, 266, 289,
354
system clock cycle 75, 78, 122
System Clock Cycle Time 344
system clock cycles 9, 68, 71, 72, 75, 78, 82,
116, 258
System clock divider 132
System Clock Fall Time 345
System Clock Frequency 122, 181, 205
system clock frequency 99, 101, 105, 106, 232
System Clock High Time 344
system clock jitter 127
System Clock Low Time 344
System Clock Oscillator Input 14
System Clock Oscillator Output 13
system clock period 258
system clock periods 151
System Clock Rise Time 345
Product Specification
Index
371