EZ80F91AZ050EG Zilog, EZ80F91AZ050EG Datasheet - Page 379

• 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

Real-Time Clock Century Register 168
Real-Time Clock Control Register 173
Real-Time Clock Day-of-the-Month Register 165
Real-Time Clock Day-of-the-Week Register 164
Real-Time Clock Hours Register 163
Real-Time Clock Minutes Register 162
Real-Time Clock Month Register 166
Real-Time Clock Oscillator and Source Selection
160
Real-Time Clock Overview 159
Real-Time Clock Recommended Operation 160
Real-Time Clock Registers 161
Real-Time Clock Seconds Register 161
Real-Time Clock signal 128
Real-Time Clock source 115, 118, 125
Real-Time Clock Year Register 167
Receive, Infrared Encoder/Decoder 196
Recommended Usage of the Baud Rate Generator
181
Register Set for Capture in Timer 1 130
Register Set for Capture/Compare/PWM in Timer 3
130
Request to Send 12, 15, 191
RESET 9, 41, 42, 45, 46, 50, 65, 93, 94, 105,
107, 115, 116, 161, 164, 165, 166, 167, 168,
169, 170, 171, 172, 173, 174, 181, 182, 199,
205, 206, 243, 245, 258, 260, 341
Reset controller 41, 42
RESET event 41, 49
RESET mode timer 41, 42
RESET Or NMI Generation 116
Reset States 66
RESET_OUT 260
Resetting the I2C Registers 223
RI 177, 191, 193
RI0 13, 198
RI1 16, 51
Ring Indicator 13, 16, 193
rising edge 147, 148, 150, 155
rst_flag bit 116
RTC Oscillator Input 128
RTC Supply Voltage 340
RTC_VDD 10
RTC_XIN 10
PS019215-0910
RTC_XOUT 10
RTS 191, 193, 198
RTS0 12
RTS1 15
RX_CLK 24
Rx_CLK 23
Rx_DV 24
Rx_ER 23
RxD0 11, 24
RxD1 14, 24
RxD2 24
RxD3 24
RxDMA 290
S
Schmitt Trigger 9
Schmitt trigger 9
Schmitt Trigger Input 9, 11, 14, 15, 17, 18, 25
Schmitt-trigger input buffers 49
SCK 18, 202
SCK Idle State 203
SCK pin 204, 208
SCK Receive Edge 203
SCK signal 204
SCK Transmit Edge 203
SCL 19, 211, 212, 213, 229
SCL line 214, 216
SCLK 41, 150, 265, 314
SClk 266
Sclk 267
SCLK periods 155
SDA 19, 211, 212, 213, 222
SDA line 215
see system reset 8
serial bus, SPI 209, 210
Serial Clock 211
Serial Clock, I2C 19
Serial Clock, SPI 18, 202
Serial Data 211
serial data 202
Serial Data, I2C 19
Serial Peripheral Interface 1, 47, 58, 62, 201,
202, 204
Product Specification
Index
370