Z8F2480AN020SG Zilog, Z8F2480AN020SG Datasheet - Page 48
Z8F2480AN020SG
Manufacturer Part Number
Z8F2480AN020SG
Description
MCU 8BIT 24KB FLASH 44LQFP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F2480AN020SG
Core Processor
Z8
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, IrDA, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
Number Of I /o
37
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
44-LQFP
Processor Series
Z8F248x
Core
eZ8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
37
Number Of Timers
3
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
10 bit, 8 Channel
For Use With
770-1002 - ISP 4PORT ZILOG Z8 ENCORE! MCU269-4643 - KIT DEV Z8 ENCORE XP 28-PIN269-4630 - DEV KIT FOR Z8 ENCORE 8K/4K269-4629 - KIT DEV Z8 ENCORE XP 28-PIN269-4628 - KIT DEV Z8 ENCORE XP 8-PIN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
269-4676
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z8F2480AN020SG
Manufacturer:
Zilog
Quantity:
85
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Table 8. Reset and STOP Mode Recovery Characteristics and Latency
PS025011-1010
Reset Type
System Reset
(non-POR Reset)
System Reset
(POR Reset)
System Reset with
Crystal Oscillator
Enabled
Stop Mode Recovery
Note:
During a System Reset or Stop Mode Recovery, the Internal Precision Oscillator (IPO)
requires 4 s to start up. When the reset type is a System Reset, the Z8 Encore! XP F1680
Series device is held in Reset for 68 IPO cycles. If the crystal oscillator is enabled in Flash
option bits, the Reset period is increased to 568–10068 IPO cycles. For more details, see
EXTLTMG
the Z8 Encore! XP F1680 Series device goes to normal mode immediately after 4 IPO
cycles. The total Stop Mode Recovey delay is less than 6 s. When a Reset occurs due to a
VBO condition, this delay is measured from the time the supply voltage first exceeds the
VBO level (discussed later in this chapter). When a Reset occurs due to a POR condition,
this delay is measured from the time that the supply voltage first exceeds the POR level. If
the external pin reset remains asserted at the end of the Reset period, the device remains in
reset until the pin is deasserted.
After a Stop Mode Recovery, the external crystal oscillator is unstable. Use software to
wait until it is stable before you can use it as main clock.
At the beginning of Reset, all GPIO pins are configured as inputs with pull-up resistor
disabled, except PD0 that is shared with the Reset pin. On Reset, the Port D0 pin is
configured as a bidirectional open-drain Reset. The pin is internally driven Low during
port reset after which the user code may reconfigure this pin as a general-purpose output.
During Reset, the eZ8 CPU and on-chip peripherals are idle; however, the on-chip crystal
oscillator and WDT oscillator continue to function.
On Reset, control registers within the Register File that have a defined Reset value are
loaded with their Reset values. Other control registers (including the Stack Pointer,
Register Pointer, and Flags) and general-purpose RAM are not initialized and undefined
following Reset. The eZ8 CPU fetches the Reset vector at Program Memory addresses
Control Registers
Reset
(as applicable)
Reset
(as applicable)
Reset
(as applicable)
Unaffected, except
RSTSTAT and
OSCCTL registers
description in user option bit. When the reset type is a Stop Mode Recovery,
P R E L I M I N A R Y
Reset Characteristics and Latency
eZ8 CPU
Reset
Reset
Reset
Reset
Reset Latency (Delay)
68 Internal Precision Oscillator Cycles after
IPO starts up
68 Internal Precision Oscillator Cycles +
50 ms Wait time
568–10068 Internal Precision Oscillator
Cycles after IPO starts up, see
description in user option bit for details.
4 Internal Precision Oscillator Cycles after
IPO starts up
Reset, Stop Mode Recovery, and Low-Voltage
Z8 Encore! XP
Product Specification
®
F1680 Series
EXTLTMG
34
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