HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 338

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Bit 3—Reserved: Read-only bit, always read as 1.
Bits 2 to 0—I/O Control A2 to A0 (IOA2 to IOA0): These bits select the GRA function.
Bit 2
IOA2
0
1
Notes: 1. After a reset, the output is 0 until the first compare match.
10.2.12 Timer Status Register (TSR)
TSR is an 8-bit register. The ITU has five TSRs, one in each channel.
Channel
0
1
2
3
4
2. Channel 2 output cannot be toggled by compare match. This setting selects 1 output
Bit 1
IOA1
0
1
0
1
instead.
Abbreviation
TSR0
TSR1
TSR2
TSR3
TSR4
Bit 0
IOA0
0
1
0
1
0
1
0
1
Function
Function
Indicates input capture, compare match, and overflow status
GRA is an output
compare register
GRA is an input
capture register
326
No output at compare match
0 output at GRA compare match
1 output at GRA compare match
Output toggles at GRA compare match
(1 output in channel 2)
GRA captures rising edge of input
GRA captures falling edge of input
GRA captures both edges of input
*1, *2
*1
*1
(Initial value)