SM39A16M1
8-Bit Micro-controller
16KB with ISP Flash
& 1K+256B RAM embedded
7.5 Mode 1 (16-bit Counter/Timer)
00
÷12
01
OSC
ET1
1
EA
C/T = 0
C/T = 1
TL1
(8 Bits) (8 Bits)
TH1
0
0
TF1
10
÷96
1
Control
T1PS[1:0]
T1 pin
TR1
If not higher priority
Interrupt Processing
Jump
001BH
AND
NOT
GATE1
OR
INT1 pin
D0D1D2D3D4D5D6D7
TL1
D0D1D2D3D4D5D6D7
TF1
TH1
Fig. 7-2: Mode 1 16 bit Counter/Timer operation
7.6 Mode 2 (8-bit auto-reload Counter/Timer)
00
01
÷12
÷96
OSC
ET1
1
EA
1
C/T = 0
C/T = 1
TL1
(8 Bits)
0
0
TF1
10
Control
T1PS[1:0]
T1 pin
TR1
Auto
Reload
If not higher priority
Interrupt Processing
AND
NOT
GATE1
INT1 pin
OR
TH1
(8 Bits)
Jump
001BH
Fig. 7-3: Mode 2 8-bit auto-reload Counter/Timer operation.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M069 Ver C SM39A16M1 7/31/2013
- 38 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
