Z51F3220FNX Datasheet, PDF (60/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
Table 8-2 SFR Map (Continued)
Address
Function
A0H P4 Data Register
Symbol
P4
@Reset
R/W
76543210
R/W – – – – 0 0 0 0
A1H P0 Direction Register
P0IO
R/W 0 0 0 0 0 0 0 0
A2H Extended Operation Register
EO
R/W – – – 0 – 0 0 0
A3H P4 Pull-up Resistor Selection Register
P4PU R/W – – – – 0 0 0 0
A4H External Interrupt Polarity 0 Low Register EIPOL0L R/W 0 0 0 0 0 0 0 0
A5H External Interrupt Polarity 0 High Register EIPOL0H R/W 0 0 0 0 0 0 0 0
A6H External Interrupt Flag 1 Register
EIFLAG1 R/W 0 0 0 0 0 0 0 0
A7H External Interrupt Polarity 1 Register
EIPOL1 R/W 0 0 0 0 0 0 0 0
A8H Interrupt Enable Register
IE
R/W 0 – 0 0 0 0 0 0
A9H Interrupt Enable Register 1
IE1
R/W – – 0 0 0 0 – 0
AAH Interrupt Enable Register 2
IE2
R/W – – 0 0 0 0 0 0
ABH Interrupt Enable Register 3
IE3
R/W – – 0 0 0 0 0 0
ACH P0 Pull-up Resistor Selection Register
P0PU R/W 0 0 0 0 0 0 0 0
ADH P1 Pull-up Resistor Selection Register
P1PU R/W 0 0 0 0 0 0 0 0
AEH P2 Pull-up Resistor Selection Register
P2PU R/W 0 0 0 0 0 0 0 0
AFH P3 Pull-up Resistor Selection Register
P3PU R/W 0 0 0 0 0 0 0 0
B0H P5 Data Register
P5
R/W – – 0 0 0 0 0 0
B1H P1 Direction Register
P1IO
R/W 0 0 0 0 0 0 0 0
B2H Timer 0 Control Register
T0CR R/W 0 – 0 0 0 0 0 0
B3H Timer 0 Counter Register
T0CNT
R 00000000
Timer 0 Data Register
B4H
Timer 0 Capture Data Register
T0DR
T0CDR
R/W 1 1 1 1 1 1 1 1
R 00000000
B5H SPI 2 Control Register
SPICR R/W 0 0 0 0 0 0 0 0
B6H SPI 2 Data Register
SPIDR R/W 0 0 0 0 0 0 0 0
B7H SPI 2 Status Register
SPISR R/W 0 0 0 – 0 0 – –
B8H Interrupt Priority Register
IP
R/W – – 0 0 0 0 0 0
B9H P2 Direction Register
P2IO
R/W 0 0 0 0 0 0 0 0
BAH Timer 1 Control Low Register
T1CRL R/W 0 0 0 0 – 0 0 0
BBH Timer 1 Counter High Register
T1CRH R/W 0 – 0 0 – – – 0
BCH Timer 1 A Data Low Register
T1ADRL R/W 1 1 1 1 1 1 1 1
BDH Timer 1 A Data High Register
T1ADRH R/W 1 1 1 1 1 1 1 1
BEH Timer 1 B Data Low Register
T1BDRL R/W 1 1 1 1 1 1 1 1
BFH Timer 1 BData High Register
T1BDRH R/W 1 1 1 1 1 1 1 1
PS029902-0212
PRELIMINARY
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