Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 559
I2C_BYTES_TRANSFERRED
0xE000043C
10.19.15 I2C_BYTES_TRANSFERRED
I
2
C Byte Transfer Register
Indicates number of bytes left to read/write in data phase of I
2
C command (excluding the preamble). When this counter
reaches 0 during read, block will stop reading bytes and NAK the last byte.
31:0 BYTE_COUNT[31:0] Indicates number of bytes transferred in the data phase (with ACK or without) so far. Does not include pre-
amble bytes. Useful for determining when NACK happened in data transmission. If data NACK error hap-
pens on at the end of fifth byte, the value in this register will be 5. If timeout happens while transmitting the
1 st bit of the 11th byte, this value will be 11 and so on.
I2C_BYTES_TRANSFERRED Number of Bytes Transferred in the Data Phase 0xE000043C
b31 b30 b29 b28 b27 b26 b25 b24
BYTE_COUNT[31:24]
RRRRRRRR
WWWWWWWW
00000000
I2C_BYTES_TRANSFERRED Number of Bytes Transferred in the Data Phase
b23 b22 b21 b20 b19 b18 b17 b16
BYTE_COUNT[23:16]
RRRRRRRR
WWWWWWWW
00000000
I2C_BYTES_TRANSFERRED Number of Bytes Transferred in the Data Phase
b15 b14 b13 b12 b11 b10 b9 b8
BYTE_COUNT[15:8]
RRRRRRRR
WWWWWWWW
00000000
I2C_BYTES_TRANSFERRED Number of Bytes Transferred in the Data Phase
b7 b6 b5 b4 b3 b2 b1 b0
BYTE_COUNT[7:0]
RRRRRRRR
WWWWWWWW
00000000
Bit Name Description

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English