Z8F042AHH020EG Zilog, Z8F042AHH020EG Datasheet - Page 52

• Manufacturer Part Number: Z8F042AHH020EG
• Description: IC ENCORE XP MCU FLASH 4K 20SSOP
• Manufacturer: Zilog
• Series: Encore!® XP®r

Specifications of Z8F042AHH020EG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IrDA, UART/USART
• Peripherals: Brown-out Detect/Reset, LED, LVD, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4156; Z8F042AHH020EG

Reset and Stop Mode Recovery
Reset Types
Table 8. Reset and Stop Mode Recovery Characteristics and Latency
PS022517-0508
Reset Type
System Reset Reset (as applicable) Reset
Stop Mode
Recovery
The Reset Controller within the Z8 Encore! XP
Mode Recovery operation. In typical operation, the following events cause a Reset to
occur:
•
•
•
•
•
When the Z8 Encore! XP F0822 Series device is in STOP mode, a Stop Mode Recovery is
initiated by any of the following events:
•
•
•
Z8 Encore! XP F0822 Series provides two types of reset operation (System Reset and Stop
Mode Recovery). The type of reset is a function of both the current operating mode of the
Z8 Encore! XP F0822 Series device and the source of the Reset.
Resets and their operating characteristics.
Reset Characteristics and Latency
Control Registers
Unaffected, except
WDT_CTL register
Power-On Reset (POR)
Voltage Brownout
WDT time-out (when configured through the WDT_RES Option Bit to initiate a
Reset)
External RESET pin assertion
On-Chip Debugger initiated Reset (OCDCTL[0] set to 1)
WDT time-out
GPIO Port input pin transition on an enabled Stop Mode Recovery source
DBG pin driven Low
eZ8
CPU
Reset
Reset Latency (Delay)
66 WDT Oscillator cycles + 16 System Clock cycles
66 WDT Oscillator cycles + 16 System Clock cycles
®
F0822 Series controls Reset and Stop
Z8 Encore! XP
Reset and Stop Mode Recovery
Product Specification
Table 8
®
lists the types of
F0822 Series
39