X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=i2c%2Frtc_epson_8564je%2FREADME;h=a896bc5cbbcae8a0bdb45aee45774306c62a163a;hb=d3a9ef3c53481024c9ec44a28a506338a573ea76;hp=bebec463875c02907b0cbb39bd73670991240e53;hpb=709737bde931156a23f8c5b8bfdd8af2c1e165a9;p=sigrok-dumps.git diff --git a/i2c/rtc_epson_8564je/README b/i2c/rtc_epson_8564je/README index bebec46..a896bc5 100644 --- a/i2c/rtc_epson_8564je/README +++ b/i2c/rtc_epson_8564je/README @@ -1,22 +1,21 @@ ------------------------------------------------------------------------------- -Epson 8564JE I2C RTC +Epson RTC-8564 JE/NB ------------------------------------------------------------------------------- -This an example capture of I2C traffic from/to an Epson 8564JE I2C RTC chip, -which has a slave address of 0x51 (or 0xa2, if the read/write bit is included). +This is an example capture of I2C traffic from/to an Epson RTC-8564 JE/NB +I2C RTC chip, which has a slave address of 0x51 (or 0xa2, if the read/write +bit is included). Logic analyzer setup -------------------- -The logic analyzer used for capturing was a ChronoVu LA8 at a sample rate -of 1MHz. The logic analyzer probes were connected to the RTC chip like this: +The logic analyzer used was a ChronoVu LA8 (at 1MHz): Probe RTC chip pin ------------------------ 0 (green) SCL 1 (orange) SDA - GND GND Data @@ -37,7 +36,7 @@ This is what the decoded data should look like: S Wr:0xa2 A 0x02 A Sr Rd:0xa3 A 0x54 A 0x03 A 0x44 A 0x62 A 0x52 A 0x51 A 0x11 N P - - The abbrevations used above: S = Start, Wr = Write, A = ACK, P = Stop, + - The abbreviations used above: S = Start, Wr = Write, A = ACK, P = Stop, Sr = Repeated start, Rd = Read, N = NACK The sigrok command line used was: