Z51F3220FNX Datasheet, PDF (26/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Table 5-1 Normal Pin Description (Continued)
PIN
Name
I/O
Function
BUZO I/O Buzzer signal output
SCK0 I/O Serial 0 clock input/output
SCK1 I/O Serial 1 clock input/output
SCK2 I/O Serial 2 clock input/output
MOSI0 I/O SPI 0 master output, slave input
MOSI1 I/O SPI 1 master output, slave input
MOSI2 I/O SPI 2 master output, slave input
MISO0 I/O SPI 0 master input, slave output
MISO1 I/O SPI 1 master input, slave output
MISO2 I/O SPI 2 master input, slave output
SS0 I/O SPI 0 slave select input
SS1 I/O SPI 1 slave select input
SS2 I/O SPI 2 slave select input
TXD0 _{I/O UART 0 data output}
TXD1 _{I/O UART 1 data output}
RXD0 _{I/O UART 0 data input}
RXD1 _{I/O UART 1 data input}
SCL0 _{I/O I2C 0 clock input/output}
SCL1 _{I/O I2C 1 clock input/output}
SDA0 _{I/O I2C 0 data input/output}
SDA1 _{I/O I2C 1 data input/output}
AVREF I/O A/D converter reference voltage
AN0 I/O A/D converter analog input channels
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AN12
AN13
AN14
AN15
Z51F3220
Product Specification
@RESET
Shared with
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
P13/SEG17/AN10/EC1
P42/VLC1
P21/SEG12/AN15
P16/SEG20/AN7/EINT7
P41/VLC2/TXD0/SDA0
P20/SEG13/AN14/TXD1/SDA1
P14/SEG18/AN9
P40/VLC3/RXD0/SCL0
P10/SEG14/AN13/RXD1/SCL1
P15/SEG19/AN8
P43/VLC0
P22/SEG11
P17/SEG21/AN6/EINT6
P41/VLC2/SDA0/MOSI0
P20/SEG13/AN14/SDA1/MOSI1
P40/VLC3/SCL0/MISO0
P10/SEG14/AN13/SCL1/MISO1
P40/VLC3/RXD0/MISO0
P10/SEG14/AN13/RXD1/MISO1
P41/VLC2/TXD0/MOSI0
P20/SEG13/AN14/TXD1/MOSI1
P02/AN0/EINT0/T4O/PWM4AA
P02/AVREF/EINT0/T4O/PWM4AA
P03/SEG26/EINT1/PWM4AB
P04/SEG25/EINT2/PWM4BA
P05/SEG24/EINT3/PWM4BB
P06/SEG23/EINT4/PWM4CA
P07/SEG22/EINT5/PWM4CB
P17/SEG21/EINT6/SS2
P16/SEG20/EINT7/SCK2
P15/SEG19/MISO2
P14/SEG18/MOSI2
P13/SEG17/EC1
P12/SEG16/EINT11/T1O/PWM1O
P11/SEG15/EINT12/T2O/PWM2O
P10/SEG14/RXD1/SCL1/MISO1
P20/SEG13/TXD1/SDA1/MOSI1
P21/SEG12/SCK1
PS029902-0212
PRELIMINARY
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