Z51F3220FNX Datasheet, PDF (130/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
11.6.6.1 Timer/Counter 1 Register Description
The timer/counter 1 register consists of timer 1 A data high register (T1ADRH), timer 1 A data low register
(T1ADRL), timer 1 B data high register (T1BDRH), timer 1 B data low register (T1BDRL), timer 1 control High
register (T1CRH) and timer 1 control low register (T1CRL).
11.6.6.2 Register Description for Timer/Counter 1
T1ADRH (Timer 1 A data High Register) : BDH
7
6
5
4
T1ADRH7 T1ADRH6 T1ADRH5 T1ADRH4
R/W
R/W
R/W
R/W
3
T1ADRH3
R/W
T1ADRH[7:0] T1 A Data High Byte
2
T1ADRH2
R/W
1
0
T1ADRH1 T1ADRH0
R/W
R/W
Initial value : FFH
T1ADRL (Timer 1 A Data Low Register) : BCH
7
6
5
4
T1ADRL7 T1ADRL6 T1ADRL5 T1ADRL4
R/W
R/W
R/W
R/W
3
T1ADRL3
R/W
2
T1ADRL2
R/W
1
0
T1ADRL1 T1ADRL0
R/W
R/W
Initial value : FFH
T1ADRL[7:0]
T1 A Data Low Byte
NOTE) Do not write “0000H” in the T1ADRH/T1ADRL register when
PPG mode
T1BDRH (Timer 1 B Data High Register) : BFH
7
6
5
4
T1BDRH7 T1BDRH6 T1BDRH5 T1BDRH4
R/W
R/W
R/W
R/W
3
T1BDRH3
R/W
T1BDRH[7:0] T1 B Data High Byte
2
T1BDRH2
R/W
1
0
T1BDRH1 T1BDRH0
R/W
R/W
Initial value : FFH
T1BDRL (Timer 1 B Data Low Register) : BEH
7
6
5
4
T1BDRL7 T1BDRL6 T1BDRL5 T1BDRL4
R/W
R/W
R/W
R/W
3
T1BDRL3
R/W
T1BDRL[7:0] T1 B Data Low Byte
2
T1BDRL2
R/W
1
0
T1BDRL1 T1BDRL0
R/W
R/W
Initial value : FFH
PS029902-0212
PRELIMINARY
127