NXP Semiconductors
UM10858
PN7462 family HW user manual
UM10858
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2018. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.4 — 14 May 2018
314514
172 of 345
Bit
Symbol
Access
Value
Description
001
3.39 MHz counter
010
1.70 MHz counter
011
848 kHz counter
100
424 kHz counter
101
212 kHz counter
110
106 kHz counter
111
53 kHz counter
2
T0_MODE_SEL
R/W
0 – 1
Configuration of the timer T0 clock.
0*
Prescaler is disabled: the timer frequency matches CLIF
clock frequency (13.56 MHz).
1
Prescaler is enabled: the timer operates on the prescaler
signal frequency (chosen by
T0_PRESCALE_SEL
).
1
T0_RELOAD_ENAB
LE
R/W
0*, 1
If set to 0, the timer T0 will stop on expiration.
0*
After expiration, the timer T0 will stop counting, i.e., remain
zero, reset value.
1
After expiration, the timer T0 will reload its preset value and
continue counting down.
0
T0_ENABLE
R/W
0*, 1
Enables the timer T0
Table 210. CLIF_TIMER1_CONFIG_REG register (address 007Ch)
* = reset value
Bit
Symbol
Access
Value
Description
31
T1_STOP_ON_T3_E
XPIRED
R/W
0*, 1
T1_STOP_EVENT: If set the timer T1 is stopped when timer
T3 raises its expiration flag.
30
T1_STOP_ON_RX_
STARTED
R/W
0*, 1
T1_STOP_EVENT: If set the timer T1 is stopped when a
data reception begins (1st bit is received).
29
T1_STOP_ON_TX_S
TARTED
R/W
0*, 1
T1_STOP_EVENT: If set the timer T1 is stopped when a
data transmission begins.
28
T1_STOP_ON_RF_
ON_EXT
R/W
0*, 1
T1_STOP_EVENT: If set the timer T1 is stopped when the
external RF field is detected.
27
T1_STOP_ON_RF_O
FF_EXT
R/W
0*, 1
T1_STOP_EVENT: If set the timer T1 is stopped when the
external RF field vanishes.
26
T1_STOP_ON_RF_
ON_INT
R/W
0*,1
T1_STOP_EVENT: If set, the timer T1 is stopped when the
internal RF field is turned on.
25
T1_STOP_ON_RF_
OFF_INT
R/W
0*,1
T1_STOP_EVENT: If set, the timer T1 is stopped when the
internal RF field is turned off.
24
T1_STOP_ON_SIGI
N_ACT
R/W
0*,1
T1_STOP_EVENT: If set, the timer T1 is stopped when an
activity on SigIn is detected.
23:19
RESERVED
R
0
Reserved
18
T1_START_ON_T3_
RUNNING
R/W
0*, 1
T1_START_EVENT: If set, the timer T1 is started when the
timer T3 starts running.