MC68HC912BD32 Datasheet, PDF (207/292 Pages) Freescale Semiconductor, Inc – Advance Information

Freescale Semiconductor, Inc.
Byteflight™ Module
Programmer’s Model
Time
Configuration
Register 1 (TCR1)
The time configuration register 1 contains the specific programmable
time t_wx0_tx for the node. Only a hard reset will clear the register.
BIT 7
TCR1
$xx02
R
TWX0T7*
W
HARDRESET
0
BIT 6
TWX0T6*
0
BIT 5
TWX0T5*
0
BIT 4
TWX0T4*
0
BIT 3
TWX0T3*
0
BIT 2
TWX0T2*
0
Figure 39 Time Configuration Register 1 (TCR1)
BIT 1
TWX0T1*
0
BIT 0
TWX0T0*
0
TWX0T7:TWX0T0 — Time t_wx0_tx
These bits select the Offset Time t_wx0_tx as shown in Table 47.
Table 47 Time t_wx0_tx
TWX0T[7:0] t_wx0_tx[ns]/25 - 7
NOTE: The TCR1 register can only be written if the SFTRES bit in the Module
Configuration register is set.
Time
Configuration
Register 2 (TCR2)
The time configuration register 2 contains the specific programmable
time t_wx0_rx for the node. Only a hard reset will clear the register.
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
TCR2
$xx03
R
TWX0R7* TWX0R6* TWX0R5* TWX0R4* TWX0R3* TWX0R2*
W
HARDRESET
0
0
0
0
0
0
Figure 40 Time Configuration Register 2 (TCR2)
BIT 1
TWX0R1*
0
BIT 0
TWX0R0*
0
TWX0R7:TWX0R0 — Time t_wx0_rx
These bits select the Offset Time t_wx0_rx as shown in Table 48.
Table 48 Time t_wx0_rx
TWX0R[7:0] t_wx0_rx[ns]/25 - 7
NOTE: The TCR2 register can only be written if the SFTRES bit in the Module
Configuration register is set.
37-sibus
Byteflight™ Module
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MC68HC912BD32 Rev 1.0