16-Bit Ppg Status Control Register (Pcnth0, Pcntl0) - Fujitsu F2MC-8FX Hardware Manual

CHAPTER 17 16-BIT PPG TIMER
17.5.4

16-bit PPG Status Control Register (PCNTH0, PCNTL0)

The 16-bit PPG status control register is used to enable and disable the 16-bit PPG
timer and also to set the operating status for the software trigger, retrigger control
interrupt, and output polarity. This register can also check the operation status.
16-bit PPG Status Control Register, Upper Byte (PCNTH0)
Figure 17.5-5 16-bit PPG Status Control Register, Upper Byte (PCNTH0)
Address
bit7
0042 PCNTH0
H
CNTE STRG MDSE RTRG
0044 PCNTH1
H
R/W
R/W : Readable/writable
(Read value is the same as write value)
: Initial value
288
bit6 bit5 bit4 bit3
CKS2
R0/W R/W R/W R/W
bit2 bit1 bit0
CKS1 CKS0 PGMS
R/W R/W R/W
PGMS
PPG output mask enable bit
0
Disables PPG output mask
1
Enables PPG output mask
CKS2 CKS1 CKS0
0 0 0
0 0 1
0 1 0
0
1 1
1
0 0
1 0 1
1 1 0
1
1 1
RTRG
Software retrigger enable bit
0
Disables software retrigger
1
Enables software retrigger
MDSE
0
1
Software trigger bit
STRG
Write
0
No effect on operation
1
Generates software trigger
CNTE
0
1
Enables PPG timer
Initial value
00000000
B
Counter clock select bit
MCLK/1
MCLK/2
MCLK/4
MCLK/8
MCLK/16
MCLK/32
7
F /2
CH
8
F /2
CH
MCLK: Machine clock
Mode select bit
PWM mode
One-shot mode
Read
Always reads "0"
Timer enable bit
Stops PPG timer
?