Z51F3220FNX Datasheet, PDF (140/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
11.7.5 Block Diagram
EINT12
16-bit A Data Register
T2ADRH/T2ADRL
T2CK[2:0]
3
T1 A Match
P ^fx/1
r fx/2
e
fx/4
M
fx
s
c
fx/8
U
X
a fx/32
l _fx/128
e
r ^fx/512
EIPOL 1[7:6 ]
2
T2CNTR
2
T2MS[1:0 ]
Reload
Buffer Register A
A Match
T2CC
T2EN
INT_ACK
Clear
T2EN
Clear
A Match
Comparator
16-bit Counter
Clear
R
T2CNTH/T2CNTL
B Match
T2IFR
To interrupt
block
Pulse
Generator
A Match
T2CC
T2EN
T2O/
PWM2O
Comparator
Buffer Register B
Reload
16 -bit B Data Register
T2BDRH/T2BDRL
2
T2MS[1:0] T2POL
A Match
T2CC
T2EN
INT_ACK
Clear
FLAG12
(EIFLAG1 .3)
To interrupt
block
Figure 11.29 16-Bit Timer/Counter Mode for Timer 2 and Block Diagram
11.7.6 Register Map
Table 11-10 Timer 3 Register Map
Name
Address
Dir
T2ADRH
C5H
R/W
T2ADRL
C4H
R/W
T2BDRH
C7H
R/W
T2BDRL
C6H
R/W
T2CRH
C3H
R/W
T2CRL
C2H
R/W
Default
FFH
FFH
FFH
FFH
00H
00H
Description
Timer 2 A Data High Register
Timer 2 A Data Low Register
Timer 2 B Data High Register
Timer 2 B Data Low Register
Timer 2 Control High Register
Timer 2 Control Low Register
PS029902-0212
PRELIMINARY
137