tmp89fm82t TOSHIBA Semiconductor CORPORATION, tmp89fm82t Datasheet - Page 338

• Manufacturer Part Number: tmp89fm82t
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

19.7
List of PMD Related Control Registers
19.7.2
PDCRC
PDCRB
PDCRA
SDREG
Name
Position Detection Control Register (PDCR) and Sampling Delay Register (SDREG)
Motor Control Circuit Control Registers
Address
0x0EC2
0x0EC1
0x0EC0
0x0EC3
2 to 0
3 to 0
7 to 0
5, 4
7, 6
5, 4
Bit
3
7
6
5
4
3
2
1
0
R or W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
W
W
R
R
R
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Detect the position-detected position.
00: Within the current pulse 01: When PWM is off
10: Within the current pulse 11: Within the preceding pulse
Monitor the sampling status.
0: Sampling idle
1: Sampling in progress
Holds the status of the position signal input during unmatch detection
mode.
Bits 2, 1, and 0: W, V, and U phases
Select the sampling input clock [Hz].
00: fcgck/2 01: fcgck/2
10: fcgck/2
Sampling mode.
00: When PWM is on
01: Regularly
10: When lower phases are turned on
Detection position match counts 1 to 15.
0: No operation
1: Stop sampling in software
0: No operation
1: Start sampling in software
Stop sampling using Timer 3.
0: Disable
1: Enable
Start sampling using Timer 2.
0: Disable
1: Enable
Number of position signal input pins.
0: Compare three pins (PDU/PDV/PDW)
1: Compare one pin (PDU) only
Count occurrences of matching when PWM is on.
0: Subsequent to matching counts when PWM previously was on
1: Recount occurrences of matching each time PWM is on
Position detection mode.
0: Ordinary mode
1: Unmatch detection mode
Enable/Disable position detection function.
0: Disable
1: Enable (Sampling starts)
Sampling delay time.
SDREG x 2/fcgck (resolution 250ns at fcgck = 8 MHz).
3
11: fcgck/2
2
4
Description
TMP89FM82T