Input/Output Pins - Epson S1C17M20 Technical Manual

15 16-BIT PWM TIMERS (T16B)
T16B
CLK_T16B0
EXCL00
EXCL01
Clock
generator
EXCLn0
CLK_T16Bn
EXCLn1

15.2 Input/Output Pins

Table 15.2.1 lists the T16B pins.
Pin name
EXCLnm
TOUTnm/CAPnm
If the port is shared with the T16B pin and other functions, the T16B input/output function must be assigned to the
port before activating T16B. For more information, refer to the "I/O Ports" chapter.
15-2
Counter block Ch.0 Comparator/capture block Ch.0
CNTMD[1:0]
ONEST
UP_DOWN RUN
BSY PRESET
Counter
ZERO/MAX signal
TC[15:0]
MAX counter data
register
MC[15:0]
MAXBSY
MODEN
DBRUN
CLKDIV[3:0]
CLKSRC[2:0]
Counter block Ch.n Comparator/capture block
Figure 15.1.1 T16B Configuration
Table 15.2.1 List of T16B Pins
I/O* Initial status*
I I (Hi-Z)
O or I O (L)
Seiko Epson Corporation
Comparator/capture circuits 0 & 1
CBUFMD[2:0] CCMD
SCS
Compare/Capture 0
CAPIS[1:0]
data register
CC[15:0]
CAPTRG[1:0]
Compare Capture
buffer 0 circuit 0
CAPI0
Comparator
MATCH signal
circuit 0
Comparator
MATCH signal
circuit 1
CAPI1
Compare Capture
buffer 1 circuit 1
SCS
Compare/Capture 1
CAPIS[1:0]
data register
CC[15:0]
CAPTRG[1:0]
CBUFMD[2:0] CCMD
CAPOWmIE
CMPCAPmIE
Interrupt
:
control circuit
CAPOW0IE
CMPCAP0IE
CNTMAXIE
CNTZEROIE
Ch.n
External clock input
TOUT signal output (in comparator mode) or
capture trigger signal input (in capture mode)
* Indicates the status when the pin is configured for T16B.
TOUTMT
TOUTO
TOUTMD[2:0]
TOUTINV
CAP00
TOUT control
TOUT00
circuit 0
TOUT control
TOUT01
circuit 1
CAP01
TOUTMT
TOUTO TOUT02/03
TOUTMD[2:0] CAP02/03
TOUTINV
TOUT04/05
CAP04/05
To interrupt
controller
CAPOWmIF
CMPCAPmIF
:
CAPOW0IF
CMPCAP0IF
CNTMAXIF
CNTZEROIF
CAPn0/1
TOUTn0/1
CAPn2/3
TOUTn2/3
CAPn4/5
TOUTn4/5
To interrupt
controller
Function
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)