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Z8F021ASH020SC 数据表(PDF) 58 Page - Zilog, Inc.

部件名 Z8F021ASH020SC
功能描述  Z8 Encore XP-R 4K Series High-Performance 8-Bit Microcontrollers
PDF  276 Pages
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制造商  ZILOG [Zilog, Inc.]
网页  http://www.zilog.com
标志 ZILOG - Zilog, Inc.

Z8F021ASH020SC 数据表(HTML) 58 Page - Zilog, Inc.

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PS022815-0206
General-Purpose I/O
Z8 Encore! XP® 4K Series
Product Specification
39
Table 16. Port Alternate Function Mapping (8-Pin Parts)
Port
Pin
Mnemonic
Alternate Function Description
Alternate
Function Select
Register AFS1
Alternate
Function Select
Register AFS2
Port A
PA0
T0IN
Timer 0 Input
AFS1[0]: 0
AFS1[0]: 0
Reserved
AFS1[0]: 0
AFS2[0]: 1
Reserved
AFS1[0]: 1
AFS2[0]: 0
T0OUT
Timer 0 Output Complement
AFS1[0]: 1
AFS2[0]: 1
PA1
T0OUT
Timer 0 Output
AFS1[1]: 0
AFS2[1]: 0
Reserved
AFS1[1]: 0
AFS2[1]: 1
CLKIN
External Clock Input
AFS1[1]: 1
AFS2[1]: 0
Analog Functions* ADC Analog Input/VREF
AFS1[1]: 1
AFS2[1]: 1
PA2
DE0
UART 0 Driver Enable
AFS1[2]: 0
AFS2[2]: 0
RESET
External Reset
AFS1[2]: 0
AFS2[2]: 1
T1OUT
Timer 1 Output
AFS1[2]: 1
AFS2[2]: 0
Reserved
AFS1[2]: 1
AFS2[2]: 1
PA3
CTS0
UART 0 Clear to Send
AFS1[3]: 0
AFS2[3]: 0
COUT
Comparator Output
AFS1[3]: 0
AFS2[3]: 1
T1IN
Timer 1 Input
AFS1[3]: 1
AFS2[3]: 0
Analog Functions* ADC Analog Input/LPO Input
(P)
AFS1[3]: 1
AFS2[3]: 1
PA4
RXD0
UART 0 Receive Data
AFS1[4]: 0
AFS2[4]: 0
Reserved
AFS1[4]: 0
AFS2[4]: 1
Reserved
AFS1[4]: 1
AFS2[4]: 0
Analog Functions* ADC/Comparator Input (N)/LPO
Input (N)
AFS1[4]: 1
AFS2[4]: 1
PA5
TXD0
UART 0 Transmit Data
AFS1[5]: 0
AFS2[5]: 0
T1OUT
Timer 1 Output Complement
AFS1[5]: 0
AFS2[5]: 1
* Analog Functions include ADC inputs, ADC reference, comparator inputs and LPO ports.
Note: Also, alternate function selection as described in
Port A–D Alternate Function Sub-Registers on page 42
must be enabled.



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