Z8F2480AN020SG Zilog, Z8F2480AN020SG Datasheet - Page 284

• 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

Table 144. Flash Option Bits at Program Memory Address 0000H
Flash Option Bit Address Space
BITS
FIELD
RESET
R/W
ADDR
Note: U = Unchanged by Reset. R/W = Read/Write.
PS025011-1010
Flash Program Memory Address 0000H
WDT_RES WDT_AO
R/W
U
7
0 = Watchdog Timer timeout generates an interrupt request. Interrupts must be globally
enabled for the eZ8 CPU to acknowledge the interrupt request.
1 = Watchdog Timer timeout causes a System Reset. This setting is the default for 
The first two bytes of Flash Program Memory at addresses
for the user-programmable Flash Option bits.
WDT_RES—Watchdog Timer Reset
WDT_AO—Watchdog Timer Always ON 
0 = Watchdog Timer is automatically enabled upon application of system power. 
1 = Watchdog Timer is enabled upon execution of the WDT instruction. Once enabled, the
OSC_SEL[1:0]—Oscillator Mode Selection
00 = On-chip oscillator configured for use with external RC networks or external 
01 = Reserved.
10 = Medium power for use with medium frequency crystals or ceramic resonators 
11 = Maximum power for use with high frequency crystals (8.0 MHz to 20.0 MHz). 
VBO_AO—Voltage Brownout Protection Always ON 
0 = Voltage Brownout Protection is disabled in STOP mode to reduce total power 
unprogrammed (erased) Flash.
Watchdog Timer cannot be disabled.
Watchdog Timer can only be disabled by a Reset or Stop Mode Recovery. This setting
is the default for unprogrammed (erased) Flash.
in ACTIVE and HALT mode.
consumption. And it is controlled by VBO/LVD control bit of Power Control Register 
clock input (<4 MHz).
(1 MHz to 8.0 MHz).
This setting is default for unprogrammed (erased) Flash.
R/W
U
6
R/W
OSC_SEL[1:0]
U
5
P R E L I M I N A R Y
Program Memory 0000H
R/W
U
4
VBO_AO
R/W
U
3
Z8 Encore! XP
FRP
R/W
0000H
U
2
Product Specification
and
PRAM_M
0001H
R/W
U
1
®
Flash Option Bits
F1680 Series
are reserved
FWP
R/W
U
0
270