EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 42

• 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 3. Register Map (Continued)
PS027001-0707
Address
(hex)
0097
0098
0099
009A
009B
009C
009D
009E
009F
00A0
00A1
00A2
00A3
00A4
00A5
00A6
00A7
Chip Select/Wait State Generator
00A8
00A9
00AA
00AB
00AC
00AD
00AE
00AF
00B0
00B1
00B2
Mnemonic
PA_DDR
PA_ALT1
PA_ALT2
PB_DR
PB_DDR
PB_ALT1
PB_ALT2
PC_DR
PC_DDR
PC_ALT1
PC_ALT2
PD_DR
PD_DDR
PD_ALT1
PD_ALT2
PA_ALT0
PB_ALT0
CS0_LBR
CS0_UBR
CS0_CTL
CS1_LBR
CS1_UBR
CS1_CTL
CS2_LBR
CS2_UBR
CS2_CTL
CS3_LBR
CS3_UBR
Name
Port A Data Direction Register
Port A Alternate Register 1
Port A Alternate Register 2
Port B Data Register
Port B Data Direction Register
Port B Alternate Register 1
Port B Alternate Register 2
Port C Data Register
Port C Data Direction Register
Port C Alternate Register 1
Port C Alternate Register 2
Port D Data Register
Port D Data Direction Register
Port D Alternate Register 1
Port D Alternate Register 2
Port A Alternate Register 0
Port B Alternate Register 0
Chip Select 0 Lower Bound Register
Chip Select 0 Upper Bound Register
Chip Select 0 Control Register
Chip Select 1 Lower Bound Register
Chip Select 1 Upper Bound Register
Chip Select 1 Control Register
Chip Select 2 Lower Bound Register
Chip Select 2 Upper Bound Register
Chip Select 2 Control Register
Chip Select 3 Lower Bound Register
Chip Select 3 Upper Bound Register
Reset
(hex)
XX
XX
XX
FF
FF
FF
FF
FF
E8
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
Product Specification
Access
eZ80F91 ASSP
CPU
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
Register Map
Page
No
55
56
56
55
55
56
56
55
55
56
56
55
55
56
56
56
56
85
86
87
85
86
87
85
86
87
85
86
34