Figure 7–22. PWT Block Diagram
Param
1/8
PWT_CLK
7.7.3
PWT Registers
Table 7–44. PWT Registers
Register
Description
FRC
PWT frequency control
VRC
PWT volume control
GCR
PWT general control
MPU peripheral bus
TIPB interface
FRC
t1
101/107
1/2
1/2
Start address (hex): FFFB6000
Table 7–44 lists the PWT registers. Table 7–45 through Table 7–47 describe
the individual registers.
VRC
t2
50/63
49/55
t128
1/2
1/2
t64
t32
t16
R/W
R/W
R/W
R/W
Pulse-Width Tone
5-bit counter
comparator
t3
t4
80/127
1/154
Testin
Size
Address
8 bits
FFFB:6000
8 bits
FFFB:6000
8 bits
FFFB:6000
MPU Public Peripherals
and
Tone
&
Offset
0x00
0x04
0x08
7-53