HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 223

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Pin Configuration
Table 9.5 shows the timer B1 pin configuration.
Table 9.5
Name
Timer B1 event input
Register Configuration
Table 9.6 shows the register configuration of timer B1.
Table 9.6
Name
Timer mode register B1
Timer counter B1
Timer load register B1
9.3.2
Timer Mode Register B1 (TMB1)
TMB1 is an 8-bit read/write register for selecting the auto-reload function and input clock.
Upon reset, TMB1 is initialized to H'78.
Bit 7—Auto-Reload Function Select (TMB17): Bit 7 selects whether timer B1 is used as an
interval timer or auto-reload timer.
Bit 7: TMB17
0
1
Bit
Initial value
Read/Write
Register Descriptions
Pin Configuration
Timer B1 Registers
TMB17
R/W
Description
Interval timer function selected
Auto-reload function selected
7
0
—
—
6
1
Abbrev.
TMIB
Abbrev.
TMB1
TCB1
TLB1
—
—
5
1
I/O
Input
R/W
R/W
R
W
—
—
4
1
Function
Event input to TCB1
—
—
Initial Value
H'78
H'00
H'00
3
1
TMB12
R/W
2
0
TMB11
R/W
Address
H'FFB2
H'FFB3
H'FFB3
1
0
(initial value)
TMB10
R/W
0
0
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