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HD49338F Datasheet, PDF (8/23 Pages) Renesas Technology Corp – CDS/PGA & 12-bit A/D Converter
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HD49338F/HF
6. ADC Digital Output Control Function
The ADC digital output includes the functions output enable, code conversion, and test mode. Tables 3, 4 and 5
show the output functions and the codes.
Table 3 ADC Digital Output Functions
ADC Digital Output
D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Operating Mode
H X X X X X X Hi-Z
Low-power wait state
L H X X X X X Hi-Z
Output Hi-Z
L L L L L H Same as in table 4.
Normal operation
L H H D11 is inverted in table 4.
H L H D10 to D0 are inverted in table 4.
H H H D11 to D0 are inverted in table 4.
X X L Output code is set up to Clamp Level.
Pre-blanking
H L L H Same as in table 5.
Normal operation
L H H D11 is inverted in table 5.
H L H D10 to D0 are inverted in table 5.
H H H D11 to D0 are inverted in table 5.
X X L Output code is set up to Clamp Level.
Pre-blanking
H X L L X H L H L H L H L H L H L Test mode
LHXL LHLHLHLHLHL
HL XHHLHLHLHLHLH
HHX LHLHLHLHLHLH
Notes: 1. STBY, TEST, LINV, and MINV are set by register.
2. Mode setting for the OEB and the PBLK are done by external input pins.
3. The polarity of the PBLK pin when the register setting is SPinv is low.
Table 4 ADC Output Code
Output Pin
Output Steps
codes
D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0L
L
L
L
L
L
L
L
L
L
L
L
1L
L
L
L
L
L
L
L
L
L
L
H
2L
L
L
L
L
L
L
L
L
L
H
L
3L
L
L
L
L
L
L
L
L
L
H
H
4L
L
L
L
L
L
L
L
L
H
L
L
5L
L
L
L
L
L
L
L
L
H
L
H
6L
L
L
L
L
L
L
L
L
H
H
L
2047 L
H
H
H
H
H
H
H
H
H
H
H
2048 H
L
L
L
L
L
L
L
L
L
L
L
4092 H
H
H
H
H
H
H
H
H
H
L
L
4093 H
H
H
H
H
H
H
H
H
H
L
H
4094 H
H
H
H
H
H
H
H
H
H
H
L
4095 H
H
H
H
H
H
H
H
H
H
H
H
Table 5 ADC Output Code (TEST1)
Output Pin
Output Steps
codes
D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
0L
L
L
L
L
L
L
L
L
L
L
L
1L
L
L
L
L
L
L
L
L
L
L
H
2L
L
L
L
L
L
L
L
L
L
H
H
3L
L
L
L
L
L
L
L
L
L
H
L
4L
L
L
L
L
L
L
L
L
H
H
L
5L
L
L
L
L
L
L
L
L
H
H
H
6L
L
L
L
L
L
L
L
L
H
L
H
2047 L
H
L
L
L
L
L
L
L
L
L
L
2048 H
H
L
L
L
L
L
L
L
L
L
L
4092 H
L
L
L
L
L
L
L
L
L
H
L
4093 H
L
L
L
L
L
L
L
L
L
H
H
4094 H
L
L
L
L
L
L
L
L
L
L
H
4095 H
L
L
L
L
L
L
L
L
L
L
L
Rev.1.0, Apr 20, 2004, page 8 of 22
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