SM39A16M1
8-Bit Micro-controller
16KB with ISP Flash
& 1K+256B RAM embedded
7.3 Peripheral Frequency control register
Mnemonic: PFCON
Address: D9h
7
-
6
-
5
4
3
2
1
0
Reset
00H
SRELPS[1:0]
T1PS[1:0]
T0PS[1:0]
T1PS[1:0]:
Timer1 Prescaler select
T1PS[1:0]
Prescaler
Fosc/12
Fosc
Fosc/96
reserved
00
01
10
11
T0PS[1:0] Timer0 Prescaler select
T0PS[1:0]
Prescaler
Fosc/12
Fosc
Fosc/96
reserved
00
01
10
11
7.4 Mode 0 (13-bit Counter/Timer)
00
÷12
01
OSC
ET1
1
EA
C/T = 0
C/T = 1
TL1
(5 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
INT1 pin
OR
D0D1D2D3D4
D5D6D7
D0D1D2D3D4D5D6D7
TF1
TL1
TH1
Fig. 7-1: Mode 0 -13 bit Timer / counter operation
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M069 Ver C SM39A16M1 7/31/2013
- 37 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
