HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 31

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

1.6.6
Register
Name
Timer up-
counter
Timer
constant
register
Timer
control/status
register
Timer expand
prescale
register
Note: The timer constant register is a write-only register that always reads as 0000H.
1.6.7
Register Name
Physical address
boundary register 0
Physical address
boundary register 1
Wait control
register L
Wait control
register M
Wait control
register H
Timer Registers
Wait Controller Registers
Symbol
TCNTL
TCNTH 61H
TCONRL 62H
TCONRH 63H
TCSR
TEPR
Chan-
nel 0
60H
64H
65H
Symbol
PABR0
PABR1
WCRL
WCRM
WCRH
CPU Modes 0 & 1
Chan-
nel 1
68H
69H
6AH
6BH
6CH
6DH
CPU Modes
0 & 1
02H
03H
04H
05H
06H
Chan-
nel 2
70H
71H
72H
73H
74H
75H
Chan-
nel 3
78H
79H
7AH
7BH
7CH
7DH
Address
Chan-
nel 0
61H
60H
63H
62H
65H
64H
CPU Modes
2 & 3
03H
02H
05H
04H
07H
CPU Modes 2 & 3
Chan-
nel 1
69H
68H
6BH
6AH
6DH
6CH
Chan-
nel 2
71H
70H
73H
72H
75H
74H
MSB
0
0
0
0
0
Initial Value at Hardware Reset
Chan-
nel 3
79H
78H
7BH
7AH
7DH
7CH
0
0
0
0
0
MSB
0
0
1
1
0
0
0
0
0
0
0
Rev. 0, 07/98, page 15 of 453
0
0
1
1
0
0
0
0
0
0
0
Hardware Reset
Initial Value at
0
0
1
1
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
0
0
0
0
1
1
1
0
0
1
1
0
0
0
0
1
1
1
LSB
0
0
1
1
0
0
LSB
0
0
1* W
1* W
0
0
0
0
1
1
1
Read/
Write
R/W
R/W
R/W
R/W
Read/
Write
R/W
R/W
R/W
R/W
R/W