SM39A16M1
8-Bit Micro-controller
16KB with ISP Flash
& 1K+256B RAM embedded
8. Timer 2 and Capture Compare Unit
Timer 2 is not only a 16-bit timer, also a 4-channel unit with compare, capture and reload functions. It is very similar to
the programmable counter array (PCA) in some other MCUs except pulse width modulation (PWM).
Mnemonic
Description
Dir.
Bit 7 Bit 6 Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 RST
Timer 2 and Capture Compare Unit
BRG P21C
AUX
Auxiliary register
91h
-
P1UR
-
-
-
DPS
00H
S
C
CCU3 CCU2 CCU1
Soure Soure Soure
CCUINFCLK[1:0]
T2I[1:0]
AUX2
T2CON
CCCON
Auxiliary 2 register
92h
C8h
C9h
-
CCUINF[1:0]
00H
00H
Timer 2 control
Compare/Capture
Control
Compare/Capture
Enable register
Compare/Capture
Enable 2 register
Timer 2, low byte
Timer 2, high byte
Compare/Reload/Cap
ture register, low byte
Compare/Reload/Cap
T2PS[2:0]
T2R[1:0]
-
CCI3 CCI2 CCI1
CCI0
CCF3
CCF2
CCF1
CCF0 00H
00H
CCEN
C1h
D1h
-
COCAM1[2:0]
COCAM3[2:0]
-
-
COCAM0[2:0]
COCAM2[2:0]
CCEN2
-
00H
TL2
TH2
CCh
CDh
TL2[7:0]
TH2[7:0]
00H
00H
00H
CRCL
CAh
CRCL[7:0]
00H
CRCH
ture register, high CBh
byte
CRCH[7:0]
Compare/Capture
register 1, low byte
Compare/Capture
register 1, high byte
Compare/Capture
register 2, low byte
Compare/Capture
register 2, high byte
Compare/Capture
register 3, low byte
Compare/Capture
register 3, high byte
00H
00H
00H
00H
00H
00H
CCL1
CCH1
CCL2
CCH2
CCL3
CCH3
C2h
CCL1[7:0]
CCH1[7:0]
CCL2[7:0]
CCH2[7:0]
CCL3[7:0]
CCH3[7:0]
C3h
C4h
C5h
C6h
C7h
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M069 Ver C SM39A16M1 7/31/2013
- 40 -