EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 279
EZ80F91NA050SC
Manufacturer Part Number
EZ80F91NA050SC
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050SC
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
0°C ~ 70°C
Package / Case
144-LBGA
Data Bus Width
8 bit
Maximum Clock Frequency
50 MHz
Data Ram Size
16 KB
Number Of Programmable I/os
32
Number Of Timers
16 Bit
Operating Supply Voltage
3 V to 3.6 V
Mounting Style
SMD/SMT
Height
1.5 mm
Length
13 mm
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Width
13 mm
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
No RoHS Version Available
Other names
269-3251
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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PS019215-0910
Bit
Position
[5:4]
[3:2]
LDS_CTL1
[1:0]
CLK_MUX
Notes
1. Bits are programmed only when the PLL is disabled. The PLL is disabled when PLL_CTL1 bit
2. PLL cannot be selected when disabled or out of lock.
0 is equal to 0.
PLL Control Register 1
The PLL is enabled using this register. PLL lock-detect status, the PLL interrupt signals
and the PLL interrupt enables are accessed via this register. A brief description of each of
these PLL Control Register 1 attributes is listed below, and further listed in
page 271.
Lock Status (LCK_STATUS)—
read via this bit.
Interrupt Lock (INT_LOCK)—
module and indicates that a rising edge on the lock signal out of the PLL has been
observed.
Interrupt Unlock (INT_UNLOCK)—
module and indicates that a falling edge on the lock signal out of the PLL has been
observed.
Interrupt Lock Enable (INT_LOCK_EN)—
Interrupt Unlock Enable (INT_UNLOCK_EN)—
bit.
PLL Enable (PLL_ENABLE)—
Value Description
00
00
01
10
11
00
01
10
11
Reserved
Lock criteria—8 consecutive cycles of 20 ns
Lock criteria—16 consecutive cycles of 20 ns
Lock criteria—8 consecutive cycles of 400 ns
Lock criteria—16 consecutive cycles of 400 ns
System clock source is the external crystal oscillator
System clock source is the PLL
System clock source is the Real-Time Clock crystal oscillator
Reserved (previous select is preserved)
This signal feeds the interrupt line out of the CLKGEN
Enables/disables the PLL.
The current lock bit out of the PLL is synchronized and
This signal feeds the interrupt line out of the clkgen
2
This signal enables the interrupt lock bit.
This signal enables the interrupt unlock
Product Specification
Phase-Locked Loop
eZ80F91 MCU
Table 155
on
270
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