EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 382

• 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

Real-Time Clock Battery Backup 160
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 198
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, 192
RESET 9, 41, 42, 45, 46, 50, 65, 93, 94, 105,
107, 115, 116, 117, 161, 164, 165, 166, 167,
168, 169, 170, 171, 172, 173, 174, 181, 182,
201, 207, 208, 247, 249, 262, 264, 345
Reset controller 41, 42
RESET event 41, 49
RESET mode timer 41, 42
RESET Or NMI Generation 117
Reset States 66
RESET_OUT 264
Resetting the I2C Registers 225
RI 177, 191, 194
RI0 13, 200
RI1 16, 51
Ring Indicator 13, 16, 194
rising edge 147, 148, 150, 155
rst_flag bit 117
RTC Oscillator Input 128
RTC Supply Voltage 344
RTC_VDD 10
PS027001-0707
RTC_XIN 10
RTC_XOUT 10
RTS 192, 194, 200
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 294
S
Schmitt Trigger 9
Schmitt trigger 9
Schmitt Trigger Input 9, 11, 14, 15, 17, 18, 25
Schmitt-trigger input buffers 49
SCK 18, 204
SCK Idle State 205
SCK pin 206, 210
SCK Receive Edge 205
SCK signal 206
SCK Transmit Edge 205
SCL 19, 213, 214, 215, 232
SCL line 216, 218
SCLK 41, 150, 269, 318
SClk 270
Sclk 271
SCLK periods 155
SDA 19, 213, 214, 215, 224
SDA line 217
see system reset 8
serial bus, SPI 211, 212
Serial Clock 213
Serial Clock, I2C 19
Serial Clock, SPI 18, 204
Serial Data 213
serial data 204
Serial Data, I2C 19
Serial Peripheral Interface 1, 47, 58, 62, 203,
Product Specification
eZ80F91 ASSP
374