mc68hc908qb4 Freescale Semiconductor, Inc, mc68hc908qb4 Datasheet - Page 134

• Manufacturer Part Number: mc68hc908qb4
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Enhanced Serial Communications Interface (ESCI) Module
134
PDS[2:1:0]
0 0 0
1 1 1
1 1 1
1 1 1
1 1 1
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
PSSB[4:3:2:1:0]
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
X X X X X
0 0 0 0 0
0 0 0 0 1
0 0 0 1 0
1 1 1 1 1
Table 13-10. ESCI Baud Rate Selection Examples
SCP[1:0]
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
MC68HC908QB8 Data Sheet, Rev. 2
Prescaler
Divisor
(BPD)
13
13
13
13
13
13
13
13
1
1
1
1
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
SCR[2:1:0]
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Baud Rate
Divisor
(BD)
128
128
128
128
16
32
64
16
32
64
16
32
64
16
32
64
1
1
1
1
1
2
4
8
1
2
4
8
1
2
4
8
1
2
4
8
Freescale Semiconductor
(f
Bus
Baud Rate
= 4.9152 MHz)
9562.65
9525.58
8563.07
76,800
38,400
19,200
25,600
12,800
19,200
9600
9600
4800
2400
1200
6400
3200
1600
9600
4800
2400
1200
5908
2954
1477
600
800
400
200
600
300
150
739
369
185
92
46