Z8F042AHH020SC Zilog, Z8F042AHH020SC Datasheet - Page 143
![IC ENCORE XP MCU FLASH 4K 20SSOP](/photos/9/30/93032/269-20-ssop_sml.jpg)
Z8F042AHH020SC
Manufacturer Part Number
Z8F042AHH020SC
Description
IC ENCORE XP MCU FLASH 4K 20SSOP
Manufacturer
Zilog
Series
Encore!® XP®r
Specifications of Z8F042AHH020SC
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
0°C ~ 70°C
Package / Case
20-SSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3369
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Table 72. ADC Control/Status Register 1 (ADCCTL1)
BITS
FIELD
RESET
R/W
ADDR
PS022825-0908
ADC Control/Status Register 1
ADC Data High Byte Register
REFSELH
R/W
7
1
The ADC Control/Status Register 1 (ADCCTL1) configures the input buffer stage,
enables the threshold interrupts and contains the status of both threshold triggers. It is also
used to select the voltage reference configuration.
REFSELH—Voltage Reference Level Select High Bit; in conjunction with the Low bit
(REFSELL) in
reference; the following details the effects of {REFSELH, REFSELL}; this reference is
independent of the Comparator reference.
00= Internal Reference Disabled, reference comes from external pin
01= Internal Reference set to 1.0 V
10= Internal Reference set to 2.0 V (default)
11= Reserved
BUFMODE[2:0]
000 = Single-ended, unbuffered input
001 = Single-ended, buffered input with unity gain
010 = Reserved
011 = Reserved
100 = Differential, unbuffered input
101 = Differential, buffered input with unity gain
110 = Reserved
111 = Reserved
The ADC Data High Byte (ADCD_H) register contains the upper eight bits of the ADC
output. The output is an 13-bit two’s complement value. During a single-shot conversion,
this value is invalid. Access to the ADC Data High Byte register is read-only. Reading the
ADC Data High Byte register latches data in the ADC Low Bits register.
R/W
6
0
ADC Control Register
-
Input Buffer Mode Select
R/W
5
0
Reserved
R/W
4
0
0, this determines the level of the internal voltage
F71H
R/W
3
0
Z8 Encore! XP
R/W
2
0
Product Specification
BUFMODE[2:0]
Analog-to-Digital Converter
R/W
1
0
®
F082A Series
R/W
0
0
132
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