HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 444

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

Register
Timer (Channel 0)
Timer Expand Prescale
Register Channel 0:
TEPR Channel 0
Not used
Not used
Timer (Channel 1)
Timer up-counter Channel
1: TCNTL Channel 1
Timer up-counter Channel
1: TCNTH Channel 1
Timer Constant Register
Channel 1: TCONRL
Channel 1
Timer Constant Register
Channel 1: TCONRH
Channel 1
Rev. 0, 07/98, page 428 of 453
CPU
Mode
0, 1
65H
66H
67H
68H
69H
6AH
6BH
Address
CPU
Mode
2, 3
64H
67H
66H
69H
68H
6BH
6AH
Read/write
Initial value
Read/Write
Initial value
Read/Write
Initial value
Read/write
Initial value
Bit name
Read/Write
Initial value
Remarks
—
—
7
0
R/W
R/W
15
W
15
W
7
0
0
7
1
1
—
—
6
0
R/W
R/W
14
14
W
W
0
6
1
6
0
1
—
—
5
0
R/W
R/W
13
13
W
W
5
0
0
5
1
1
—
—
4
0
R/W
R/W
12
W
12
W
4
0
0
4
1
1
—
—
3
0
R/W
R/W
11
W
11
W
0
3
1
ECKS2
3
0
1
R/W
2
0
Expand clock input select
000: BC
001: BC/2
010: BC/4
011: BC/8
100: BC/16
101: BC/32
110: BC/64
111: BC/128
R/W
R/W
ECKS1
10
10
W
W
0
2
1
2
0
1
R/W
1
0
R/W
ECKS0
R/W
W
R/W
W
1
0
9
0
1
1
9
1
0
0
R/W
R/W
W
W
8
0
0
1
0
0
8
1