HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 206

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HD6433044

Manufacturer Part Number
HD6433044
Description
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet

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In repeat mode, ETCRH functions as an 8-bit transfer counter and ETCRL holds the initial
transfer count. ETCRH is decremented by 1 each time one transfer is executed. When ETCRH
reaches H'00, the value in ETCRL is reloaded into ETCRH and the same operation is repeated.
The ETCRs are not initialized by a reset or in standby mode.
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Repeat mode
R/W
R/W
7
7
R/W
R/W
6
6
R/W
R/W
5
5
192
Transfer counter
Undetermined
R/W
Undetermined
R/W
Initial count
4
4
ETCRH
ETCRL
R/W
R/W
3
3
R/W
R/W
2
2
R/W
R/W
1
1
R/W
R/W
0
0

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