p87c591vfb NXP Semiconductors, p87c591vfb Datasheet - Page 62

• Manufacturer Part Number: p87c591vfb
• Description: Single-chip 8-bit Microcontroller With Can Controller
• Manufacturer: NXP Semiconductors

Philips Semiconductors
14.3.3
Depending on the programmed operating mode different paths are selected for the baud rate clock generation. Figure 23
shows the dependencies of the serial port baud rate clock generation on the two control bits and from the mode which
is selected in the Special Function Register SCON:
2000 Jul 26
handbook, full pagewidth
Single-chip 8-bit microcontroller with CAN controller
Note: The switch configuration shows the reset state.
B
AUD
TIMER 1
overflow
f CLK
R
ATE
G
ENERATION
GENERATOR
(S0PSH
S0PSL)
BAUD
RATE
6
O
Fig.23 Baud Rate Generation for the Serial Port.
VERVIEW
0
1
S0PSH.7
mode 2
mode 0
(SPS)
O
F
O
PTIONS
mode 1
mode 3
mode can be selected
62
(SM0/FE)
SCON.7
SCON.6
only one
2
0
1
(SMOD1)
PCON.7
Preliminary Specification
MHI024
P8xC591
BAUD
RATE
CLOCK