SAF82525 Infineon Technologies AG, SAF82525 Datasheet - Page 91

• Manufacturer Part Number: SAF82525
• Description: Data Communications ICs
• Manufacturer: Infineon Technologies AG

Timer Register (READ/WRITE)
TIMR
VALUE … Sets the time period
t
where
CNT … Interpreted differently dependent on the selected timer mode (bit TMD in MODE).
Semiconductor Group
1
=
Internal timer mode (MODE.TMD = 1)
retry counter (in HDLC known as N2)
CNT indicates the number of S-commands (max. 6) which are transmitted autonomously by
the HSCX after expiration of time period
opposite station.
If CNT is set to 7, the number of S-commands is unlimited.
External timer mode (MODE,TMD = 0)
CNT plus VALUE indicates the time period
t
If CNT is set to 7, a timer interrupt periodically generated after the expiration o
–
–
generated. The time period
2
k
= 32
k
the programming of TRS bit in MODE.
TCP is the clock period of transmit data.
is the timer resolution factor which is either 32.768 or 512-clock cycles dependent on
(VALUE + 1) TCP
k
75
CNT TCP +
CNT
t
1
t
2
is
t
1
as follows:
40
t
1
, in case an I-frame is not acknowledged by the
91
t
2
after which a timer interrupt will be
VALUE
SAB 82525
SAB 82526
SAF 82525
SAF 82526
f
t
1
.
(23/63)