Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 47
Z8F041APH020SG2156
Manufacturer Part Number
Z8F041APH020SG2156
Description
8-bit Microcontrollers - MCU 4K FLASH 1K RAM 128B NVDS
Manufacturer
ZiLOG
Datasheet
1.Z8F082ASJ020EG2156.pdf
(282 pages)
Specifications of Z8F041APH020SG2156
Rohs
yes
Core
eZ8
Processor Series
Z8F041xx
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
4 KB
Data Ram Size
1 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
PDIP-20
Mounting Style
Through Hole
A/d Bit Size
10 bit
A/d Channels Available
8
Interface Type
UART
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
17
Number Of Timers
2
Program Memory Type
Flash
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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PS022827-1212
Bit
Field
RESET
R/W
Address
Bit
[7]
POR
[6]
STOP
[5]
WDT
[4]
EXT
[3:1]
[0]
LVD
Description
Power-On Reset Indicator
If this bit is set to 1, a Power-On Reset event occurs. This bit is reset to 0 if a WDT time-out or
Stop Mode Recovery occurs. This bit is also reset to 0 when the register is read.
Stop Mode Recovery Indicator
If this bit is set to 1, a Stop Mode Recovery occurs. If the STOP and WDT bits are both set to 1,
the Stop Mode Recovery occurs because of a WDT time-out. If the STOP bit is 1 and the WDT
bit is 0, the Stop Mode Recovery was not caused by a WDT time-out. This bit is reset by a
Power-On Reset or a WDT time-out that occurred while not in STOP Mode. Reading this regis-
ter also resets this bit.
Watchdog Timer Time-Out Indicator
If this bit is set to 1, a WDT time-out occurs. A POR resets this pin. A Stop Mode Recovery
from a change in an input pin also resets this bit. Reading this register resets this bit. This read
must occur before clearing the WDT interrupt.
External Reset Indicator
If this bit is set to 1, a Reset initiated by the external RESET pin occurs. A Power-On Reset or
a Stop Mode Recovery from a change in an input pin resets this bit. Reading this register
resets this bit.
Reserved
These bits are reserved and must be programmed to 000.
Low Voltage Detection Indicator
If this bit is set to 1 the current state of the supply voltage is below the low voltage detection
threshold. This value is not latched but is a real-time indicator of the supply voltage level.
POR
R
7
See descriptions below
STOP
R
6
Table 11. Reset Status Register (RSTSTAT)
WDT
R
5
P R E L I M I N A R Y
EXT
R
4
0
FF0H
R
3
0
Z8 Encore! XP
Reserved
R
2
0
Reset Register Definitions
Product Specification
R
1
0
®
F082A Series
LVD
R
0
0
30
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