SDA6000 Datasheet, PDF (98/380 Pages) Infineon Technologies AG – Teletext Decoder with Embedded 16-bit Controller

SDA 6000
PECCx
15 14 13 12 11 10 9 8 7 6
-
-
- CLT CL
INC(1..0) BWT
rw rw
rw ^rw
Interrupt and Trap Functions
Reset Value: 0000_H
5 432 1 0
COUNT (7...0)
rw
Bit
COUNT
(7 … 0)
BWT
INC(1 … 0)
CL
CLT
Function
PEC Transfer Count
Counts PEC transfers (bytes or words) and influences the channel’s
action.
Byte / Word Transfer Selection
0: Transfer a Word.
1: Transfer a Byte.
Increment Control
(Modification of SRCPx or DSTPx)
0 0: Pointers are not modified.
0 1: Increment DSTPx by 1 or 2.
1 0: Increment SRCPx by 1 or 2.
1 1: Reserved. Do not use this combination.
Channel Link Control
0: PEC channels work independent
1: Pairs of channels are linked together
Channel Link Toggle State
0: Even numbered PEC channel of linked channels active
1: Odd numbered PEC channel of linked channels active
Table 5-3
Register
PECC0
PECC1
PECC2
PECC3
PEC Control Register Addresses
Address
Reg. Space Register
FEC0_H / 60_H
FEC2_H / 61_H
FEC4_H / 62_H
FEC6_H / 63_H
SFR
SFR
SFR
SFR
PECC4
PECC5
PECC6
PECC7
Address
FEC8_H / 64_H
FECA_H / 65_H
FECC_H / 66_H
FECE_H / 67_H
Reg. Space
SFR
SFR
SFR
SFR
Byte/Word Transfer bit BWT controls, if a byte or a word is moved during a PEC
service cycle. This selection controls the transferred data size and the increment step for
the modified pointer.
Users Manual
5 - 14
2000-06-15