Description Of Registers; Table 14-4-1 A/D Register List - Panasonic MN103001G/F01K User Manual

14.4 Description of Registers

Table 14-4-1 lists the registers for this A/D converter.
Address
x'34000400 A/D conversion control register
x'34000410 A/D0 conversion data buffer
x'34000414 A/D1 conversion data buffer
x'34000418 A/D2 conversion data buffer
x'3400041C A/D3 conversion data buffer
A/D conversion control register
Register symbol: ADCTR
Address: x'34000400
Purpose: This register sets the A/D conversion operation control conditions.
Bit No. 15 14
Bit
– –
name MC1 MC0
Reset 0 0
Access R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
Bit No. Bit name
0 ADMD0
1 ADMD1
2 ADCK0
3 ADCK1
4 ADSHC
5 ADST0
6 ADST1

Table 14-4-1 A/D Register List

Name
13 12 11 10
AD AD
– –
SC1
0 0 0 0
Description
Operating mode selection (LSB)
Operating mode selection (MSB)
00: Any one channel/one-time conversion
01: Multiple channels/one-time conversion
10: Any one channel/continuous conversion
11: Multiple channels/continuous conversion
Conversion reference clock selection (LSB)
Conversion reference clock selection (MSB)
00: IOCLK/2
01: IOCLK/4
10: IOCLK/8
11: IOCLK/16
Sampling cycle number selection
0: Two conversion reference clock cycles
1: Four conversion reference clock cycles
Conversion start trigger selection (LSB)
Conversion start trigger selection (MSB)
00: Conversion start by software
01: External trigger (ADEN flag is set by input of falling edge to ADTRG
pin)
10: Timer trigger (ADEN flag is set by timer 2 underflow)
11: Setting prohibited
Symbol Number of bits Initial value Access size
ADCTR
AD0BUF
AD1BUF
AD2BUF
AD3BUF
9 8 7 6
AD AD AD AD
SC0 EN ST1 ST0 SHC CK1 CK0 MD1 MD0
0 0 0 0
A/D Converter
16 x'0000
16 x'0000
16 x'0000
16 x'0000
16 x'0000
5 4 3 2
AD AD AD AD
0 0 0 0
8, 16
8, 16
8, 16
8, 16
8, 16
1 0
AD AD
0 0
14-5