Z8F041APH020SG2156 ZiLOG, Z8F041APH020SG2156 Datasheet - Page 213
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]
INTEN
[6]
XTLEN
[5]
WDTEN
[4]
SOFEN
Oscillator Control Register Definitions
Caution:
Description
Internal Precision Oscillator Enable
1 = Internal precision oscillator is enabled.
0 = Internal precision oscillator is disabled.
Crystal Oscillator Enable; this setting overrides the GPIO register control for PA0 and
PA1
1 = Crystal oscillator is enabled.
0 = Crystal oscillator is disabled.
Watchdog Timer Oscillator Enable
1 = Watchdog Timer oscillator is enabled.
0 = Watchdog Timer oscillator is disabled.
System Clock Oscillator Failure Detection Enable
1 = Failure detection and recovery of system clock oscillator is enabled.
0 = Failure detection and recovery of system clock oscillator is disabled.
INTEN
R/W
7
1
the Watchdog Timer failure can be detected. A very slow system clock results in very slow
detection times.
The Oscillator Control Register (OSCCTL) enables/disables the various oscillator circuits,
enables/disables the failure detection/recovery circuitry and selects the primary oscillator,
which becomes the system clock.
The Oscillator Control Register must be unlocked before writing. Unlock the Oscillator
Control Register by writing the two-step sequence
locked at successful completion of a register write to the OSCCTL.
It is possible to disable the clock failure detection circuitry and all functioning clock
sources. In this case, the Z8 Encore! XP F082A Series device ceases functioning and can
only be recovered by Power-On-Reset.
XTLEN
R/W
Table 113. Oscillator Control Register (OSCCTL)
6
0
WDTEN
R/W
5
1
P R E L I M I N A R Y
SOFEN
R/W
4
0
F86H
WDFEN
R/W
3
0
E7H
Oscillator Control Register Definitions
Z8 Encore! XP
followed by
R/W
2
0
Product Specification
SCKSEL
18H
R/W
1
0
®
. The register is
F082A Series
R/W
0
0
196
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