UARTx_WP7816B_T1 field descriptions
Field Description
BWI_L Block Wait Time Integer Low (C7816[TTYPE] = 1)
Used to calculate the value used for the BWT counter. This register field provides the least significant byte
of the 16 bit Block Wait Time Integer field BWI formed by {WP7816A_T1[BWI_H], WP7816B_T1[BWI_L]}.
The value of BWI = 0 is invalid and should not be programmed. This value is used only when
C7816[TTYPE] = 1. See Wait time and guard time parameters.
47.3.37 UART 7816 Wait and Guard Parameter Register
(UARTx_WGP7816_T1)
The WGP7816_T1 register contains constants used in the generation of various wait and
guard timer counters. This register may be read at any time. This register must be written
to only when C7816[ISO_7816E] is not set.
Address:
Base address + 3Eh offset
Bit 7 6 5 4 3 2 1 0
Read
CWI1 BGI
Write
Reset
0 0 0 0 0 1 1 0
UARTx_WGP7816_T1 field descriptions
Field Description
7–4
CWI1
Character Wait Time Integer 1 (C7816[TTYPE] = 1)
Used to calculate the value used for the CWT counter. It represents a value between 0 and 15. This value
is used only when C7816[TTYPE] = 1. See Wait time and guard time parameters .
BGI Block Guard Time Integer (C7816[TTYPE] = 1)
Used to calculate the value used for the BGT counter. It represent a value between 0 and 15. This value is
used only when C7816[TTYPE] = 1. See Wait time and guard time parameters .
47.3.38 UART 7816 Wait Parameter Register C (UARTx_WP7816C_T1)
The WP7816C_T1 register contains constants used in the generation of various wait
timer counters. This register may be read at any time. This register must be written to
only when C7816[ISO_7816E] is not set.
Address:
Base address + 3Fh offset
Bit 7 6 5 4 3 2 1 0
Read 0
CWI2
Write
Reset
0 0 0 0 1 0 1 1
Memory map and registers
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
1258 NXP Semiconductors
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