Sharp LH79524 - Table 6-30. PAUSETIME Register; Table 6-31. PAUSETIME Fields; Table 6-32. TXPAUSEQUAN Register; Table 6-33. TXPAUSEQUAN Fields

Ethernet MAC Controller LH79524/LH79525 User’s Guide
6-36 Version 1.0
6.3.2.13 Pause Time Register (PAUSETIME)
The PAUSETIME register contains the current value of PAUSETIME, which is decre-
mented once every 512 bit-times (one slot time).
6.3.2.14 Transmit Pause Quantum (TXPAUSEQUAN)
The value in this register is used in hardware generation of transmitted pause frames as
value for pause quantum
.
Table 6-30. PAUSETIME Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD PAUSETIME
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
ADDR 0xFFFC7000 + 0x38
Table 6-31. PAUSETIME Fields
BITS NAME FUNCTION
31:16 /// Reserved Reading returns 0. Write the reset value.
15:0 PAUSETIME
Pause Time Stores the current PAUSETIME value, which is
decremented every 512 bit-times.
Table 6-32. TXPAUSEQUAN Register
BIT 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
FIELD ///
RESET 0000000000000000
TYPE RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO RO
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FIELD TXPAUSEQUAN
RESET 1111111111111111
TYPE RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW
ADDR 0xFFFC7000 + 0xBC
Table 6-33. TXPAUSEQUAN Fields
BITS NAME FUNCTION
31:16 /// Reserved Reading returns 0. Write the reset value.
15:0 TXPAUSEQUAN Transmit Pause Quantum Value for pause quantum.