YMU818b メモ
2世代機種の情報
調べること
ミュートレジスタは?
出力先の切り替えレジスタは?
調査結果
RESETはSPDIF(Bank3_27pin)に接続される(NCなのに制御可能) ※負論理
アドレスは0x3a
音声の制御はCodecで調整
本体の音量が0でも音声データはI2Sに出ている
スピーカー出力時は L+R がSPに出るようにしている
ヘッドフォン出力でもL Rが完全分離できていないような.... (なんか係数が掛かってミックスされている)
WinCEの定常時レジスタ
SAIF0_CTRL: 0000_0800 => Delay=1
SAIF0_STAT: 8000_0000
HW_CLKCTRL_SAIF0: 0001_0c0b
HW_CLKCTRL_SAIF1: 0001_0c0b
I2Cでコンフィグを書き込むときにMCLKが必要でCEではそのときに無音を垂れ流している
初期化シーケンス
(P.ONからI2CにはじめてCodecにアクセスしてからの時間表記)
R 0x85 => 0x68
dt=1.2msほど
W 0x97 <= 0x47, 0x01
W 0x86 <= 0x1e, 0x62
W 0x80 <= 0x3e
W 0x80 <= 0x1e
(通信間隔 250usぐらい)
dt = 2.250ms
W 0x80 <= 0x1c, 0x18, 0x00, 0x80, 0x00
W 0x22 <= 0x81, 0x00, 0x40, 0x00, 0x7f, 0xff, 0xc0, 0x00, 0x80, 0x00, 0x10, 0x00, 0x10 0x00, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x3f, 0x5c, 0xe0, 0xa2, 0x00, 0x08, 0x00, 0x10, 0x00, 0x08, 0x3e, 0x82, 0xe1, 0x76, 0x1f, 0xae, 0xc0, 0xa4, 0x1f, 0xae, 0x3f, 0x5c, 0xe0, 0xa2, 0x04, 0xf0, 0x09, 0xe0, 0x04, 0xf0, 0x13, 0xc6, 0xf8, 0x75, 0x17, 0xb9, 0xd0, 0x8e, 0x17, 0xb9, 0x2d, 0x4e, 0xee, 0x68, 0x08, 0x13, 0x04, 0x13, 0x07, 0x3f, 0x04, 0x00, 0x11, 0x47, 0x04, 0x00, 0x11, 0x47, 0x0a, 0x18, 0x0a, 0x18, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x10, 0x00, 0xd8, 0xa0, 0xd2, 0x94, 0xcb, 0x9a, 0xc3, 0x8d, 0xba, 0x45, 0xaf, 0x90, 0xa3, 0x37, 0x94, 0xf9, 0x00, 0x80, 0x00, 0x00, 0xff, 0x95, 0x00, 0x12, 0x00, 0x0f, 0x00, 0xd0, 0x00, 0xa0, 0x00, 0xa0, 0x00, 0x80, 0x08, 0x00, 0x3f, 0xff, 0x00, 0x00, 0x3f, 0xff, 0x51, 0x40, 0x2e, 0xbf, 0x51, 0x40, 0x00, 0x01, 0x01, 0x51, 0x01, 0x51, 0x7d, 0x5d, 0x08, 0x15, 0x04, 0x0c, 0x02, 0x07, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0x7f, 0xff, 0x7f, 0xff, 0x16, 0x96, 0x01, 0x51, 0x01, 0x51, 0x7d, 0x5d, 0x00, 0x00, 0x10, 0x00, 0x30, 0x00, 0x06, 0x8c, 0x03, 0x46, 0x06, 0x8c, 0x5a, 0xc9, 0xd7, 0xe3, 0x17, 0x73, 0xe3, 0x34, 0x10, 0x00
W 0x61 <= 0x81, 0xe1, 0x46, 0x19, 0x0e, 0xbe, 0x1f, 0x1e, 0xb9, 0xe8, 0xf1, 0x41, 0xe2, 0x10, 0x4c, 0xe2
W 0x73 <= 0x81, 0xe2, 0xfc, 0x12
W 0x79 <= 0x81, 0x0d, 0x61, 0x40
W 0x7f <= 0x81, 0x1d, 0x03, 0xef
W 0x05 <= 0x82, 0xf2, 0x51, 0xdf
W 0x11 <= 0x82, 0xee, 0xf2, 0x2a, 0x84, 0xb5, 0xfa, 0x03, 0xb1, 0x3b, 0x13, 0xb1, 0x3c, 0x11, 0x0d, 0xd5, 0x7b, 0x4a, 0x08, 0xfc, 0x4e, 0xc4, 0xec, 0x4e, 0xc6
W 0x80 <= 0x18, 0x1c
(通信間隔 250usぐらい)
dt = 350us ?
W 0x80 <= 0x18
W 0xac <= 0x02
(通信間隔 250usぐらい)
dt = 400us ?
W 0x80 <= 0x10
W 0x22 <= 0x81, 0x04, 0x10, 0x00, 0x10, 0x00, 0x00, 0x08, 0x00, 0x10, 0x00, 0x08, 0x3e, 0x82, 0xe1, 0x76, 0x00, 0x50, 0x00, 0xa0, 0x00, 0x50, 0x3b, 0x3d, 0xe4, 0x70, 0x1f, 0x43, 0xc1, 0c7a, 0x1f, 0x43, 0x3e, 0x82, 0xe1, 0x76, 0x07, 0x02, 0x0e, 0x04, 0x07, 0x02, 0x09, 0xce, 0xfa, 0x21, 0x19, 0x56, 0xcd, 0x54, 0x19, 0x56, 0x31, 0x4b, 0xeb, 0xf2, 0x06, 0xdd, 0x0a, 0x6b, 0x18, 0xe9, 0x02, 0xd7, 0x23, 0xd7, 0x02, 0xd7, 0x23, 0xd7, 0x02, 0xd7, 0x23, 0xd7, 0x0a, 0x18, 0x0a, 0x18, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0xf2, 0x3f, 0xed, 0xe9, 0xe8, 0x37, 0xe0, 0xb7, 0xd6, 0xd7, 0xc9, 0xde, 0xb8, 0xd7, 0xa2, 0x5f, 0x00, 0x80, 0x00, 0x00, 0xfd, 0x82, 0x01, 0x01, 0x00, 0x9f, 0x05, 0xa0, 0x03, 0x60, 0x02, 0x00, 0x01, 0x40, 0x08, 0x00, 0x3f, 0xff, 0x00, 0x00, 0x3f, 0xb7, 0x51, 0x40, 0x2e, 0xbf, 0x0f, 0x02, 0x00, 0x01, 0x01, 0x51, 0x01, 0x51, 0x7d, 0x5d, 0x08, 0x15, 0x04, 0x0c, 0x02, 0x07, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x7f, 0xff, 0x20, 0xe1, 0x01, 0x51, 0x01, 0x51, 0x7d, 0x5d, 0x00, 0x00, 0x10, 0x00, 0x40, 0x00, 0x00, 0x21, 0x00, 0x10, 0x00, 0x21, 0x7b, 0xb1, 0xc3, 0xca, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00
W 0x40 <= 0x81, 0x0d, 0x68, 0x66, 0xf8, 0x8b, 0x84, 0x0b, 0xab, 0x31, 0x07, 0x74, 0x7d, 0xf6, 0xec, 0x6a, 0x0e, 0xd8, 0x02, 0xe5, 0xdf, 0xad, 0x0e, 0x11, 0x6d, 0x1a, 0x20, 0x54, 0xf3, 0x16, 0x92, 0x0f, 0xc1, 0xc8, 0xe0, 0xf5, 0x34, 0x0f, 0x6f, 0x79, 0x1f, 0x0a, 0xcd, 0xf0, 0xce, 0xc0, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3d, 0xf2, 0x78, 0x79, 0x3f, 0xf8, 0x84, 0x1b, 0x0f, 0x0d, 0x80, 0x11, 0x3d, 0xf2, 0x78, 0x79, 0x3f, 0xf8, 0x1f, 0x19, 0x78, 0xf4, 0x49, 0xd0, 0xf0, 0xdb, 0x9a, 0x04, 0x43, 0x98
W 0x80 <= 0x18
dt = 400us
W 0x80 <= 0x1c
dt = 500us
W 0x80 <= 0x18
W 0x80 <= 0x1e
R 0x92 => 0x00
R 0x93 => 0x00
W 0x80 <= 0x18
W 0x80 <= 0x3e
R 0x92 => 0x00
R 0x93 => 0x00
W 0x80 <= 0x18
W 0x80 <= 0x3f
適当に再生
R 0x92 => 0x00
R 0x93 => 0x00
W 0x80 <= 0x3e
W 0x80 <= 0x1e
dt = 2ms
W 0x80 <= 0x1c, 0x18
W 0x80 <= 0x3e
dt = 3ms
R 0x92 => 0x00
R 0x93 => 0x00
W 0x80 <= 0x18
W 0x80 <= 0x1e
dt = 3ms
R 0x92 => 0x00
R 0x93 => 0x00
W 0x80 <= 0x18
W 0x80 <= 0x1c
W 0x80 <= 0x18
W 0x80 <= 0x10
W 0x81 <= 0xfe
W 0x84 <= 0x0b
dt = 15ms
R 0xae => 0x01
W 0x3d <= 0x81, 0x03
W 0x3d <= 0x81, 0x01
W 0x82 <= 0x7f
W 0x88 <= 0x0a, 0x00
W 0x0b <= 0x81, 0x1f
W 0x10 <= 0x81, 0x1f
W 0x15 <= 0x81, 0x1f, 0x00, 0x04
W 0xca <= 0x40
W 0x00 <= 0x81, 0xf5, 0x75, 0xfc, 0x7c, 0x00, 0x4f, 0x0f
W 0xde <= 0x01
W 0x20 <= 0x81, 0x01
W 0x29 <= 0x82, 0x01
W 0x17 <= 0x81, 0x00
R 0x16, 0x81 => 0x01
dt = 1ms
R 0x16, 0x81 => 0x01
dt = 1ms
R 0x16, 0x81 => 0x01
dt = 1ms
R 0x16, 0x81 => 0x01
dt = 1ms
R 0x16, 0x81 => 0x01
(繰り返し Retが0x00になるまで待機)
R 0x16, 0x81 => 0x00
W 0x20 <= 0x81, 0x00, 0x02
W 0x21 <= 0x81, 0x00
W 0x29 <= 0x82, 0x00
W 0x22 <= 0x81, 0x04, 0x10, 0x00, 0x10, 0x00, 0x00, 0x08, 0x00, 0x10, 0x00, 0x08, 0x3e, 0x82, 0xe1, 0x76, 0x00, 0x50, 0x00, 0xa0, 0x00, 0x50, 0x3b, 0x3d, 0xe4, 0x70, 0x1f, 0x43, 0xc1, 0x7a, 0x1f, 0x43, 0x3e, 0x82, 0xe1, 0x76, 0x07, 0x02, 0x0e, 0x04, 0x07, 0x02, 0x09, 0xce, 0xfa, 0x21, 0x19, 0x56, 0xcd, 0x54, 0x19, 0x56, 0x31, 0x4b, 0xeb, 0xf2, 0x06, 0xdd, 0x0a, 0x6b, 0x18, 0xe9, 0x02, 0xd7, 0x23, 0xd7, 0x02, 0xd7, 0x23, 0xd7, 0x0a, 0x18, 0x0a, 0x18, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0xf2, 0x3f, 0xed, 0xe9, 0xe8, 0x37, 0xe0, 0xb7, 0xd6, 0xd7, 0xc9, 0xde, 0xb8, 0xd7, 0xa2, 0x5f, 0x00, 0x80, 0x00, 0x00, 0xfd, 0x82, 0x01, 0x01, 0x00, 0x9f, 0x05, 0xa0, 0x03, 0x60, 0x02, 0x00, 0x01, 0x40, 0x08, 0x00, 0x3f, 0xff, 0x00, 0x00, 0x3f, 0xb7, 0x51, 0x40, 0x2e, 0xbf, 0x0f, 0x02, 0x00, 0x01, 0x01, 0x51, 0x01, 0x51, 0x7d, 0x5d, 0x08, 0x15, 0x04, 0x0c, 0x02, 0x07, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x7f, 0xff, 0x20, 0xe1, 0x01, 0x51, 0x01, 0x51, 0x7d, 0x5d, 0x00, 0x00, 0x00, 0x10, 0x00, 0x40, 0x00, 0x00, 0x21, 0x00, 0x10, 0x00, 0x21, 0x7b, 0xb1, 0xc3, 0xca, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00
W 0x29 <= 0x82, 0x01
W 0x20 <= 0x81, 0x01
W 0x17 <= 0x81, 0x04
W 0x81 <= 0xfc
W 0x81 <= 0xf4
W 0xc9 <= 0x40
W 0xa5 <= 0x39
停止
W 0xa5 <= 0x20
R 0x92 => 0x08
R 0x92 => 0x08
R 0x92 => 0x08
R 0x92 => 0x08
R 0x92 => 0x00
R 0x93 => 0x00