MC68HC912B32 Datasheet, PDF (61/128 Pages) Motorola, Inc – 16-Bit Microcontroller

÷ 2²
÷ 2¹¹
REGISTER: RTICTL
BIT: RTBYP
REGISTER: RTICTL
0:0:0
BITS: RTR2, RTR1, RTR0
REGISTER: BCR1 _0:0
BITS: R1, R0
0:0:1
÷2
0:1
÷2
0:1:0
REGISTER: COPCTL 0:0:0
BITS: CR2, CR1, CR0
0:0:1
÷4
0:1:0
SC0BD
÷2
1:0
MODULUS DIVIDER:
÷ 1, 2, 3, 4, 5, 6, ..., 8190, 8191
÷2
1:1
÷2
0:1:1
÷2
1:0:0
÷4
0:1:1
÷4
1:0:0
÷2
1:0:1
÷4
1:0:1
SCI0
RECEIVE
BAUD RATE ((16x)
÷ 2⁴
SCI0
TRANSMIT
BAUD RATE (1x)
÷2
1:1:0
÷2
1:1:1
÷2
1:1:0
÷2
1:1:1
TO BDLC
TO RTI
TO COP
HC912B32 CLOCK CHAIN SCI BDLC RTI COP
Figure 12 Clock Chain for SCI, BDLC, RTI, COP
MC68HC912B32
MC68HC912B32TS/D
MOTOROLA
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