参数资料
型号: UPSD3213B-40T6T
厂商: 意法半导体
英文描述: Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
中文描述: 闪存可编程系统设备与8032微控制器核心和64Kbit SRAM的
文件页数: 84/176页
文件大小: 1081K
代理商: UPSD3213B-40T6T
μ
PSD323X
84/176
Special Function Register for the DDC Interface
There are eight SFR in the DDC interface:
RAMBUF, DDCCON, DDCADR, DDCDAT are
DDC registers.
S1CON, S1STA, S1DAT, S1ADR are I
2
C Inter-
face registers, same as the ones described in the
standalone I
2
C bus.
DDCDAT Register.
DDC1
transmission (DDCDAT: 0D5H)
I
8-bit READ and WRITE register.
I
Indicates DATA BYTE to be transmitted in
DDC1 protocol.
DATA
register
for
DDCADR Register.
Address pointer for DDC in-
terface (DDCADR: 0D6H)
I
8-bit READ and WRITE register.
I
Address pointer with the capability of the post
increment. After each access to RAMBUF
register (either by software or by hardware
DDC1 interface), the content of this registerwill
be increased by one. It’s available both in
DDC1, DDC2 (DDC2B, DDC2B+, and
DDC2AB) and system operation.
Table 60. DDC SFR Memory Map
SFR
Addr
Reg
Name
Bit Register Name
ValueComments
7
6
5
4
3
2
1
0
D4
RAMBUF
XX
DDC Ram
Buffer
D5
DDCDAT
00
DDC Data
xmit register
D6
DDCADR
00
Addr pointer
register
D7 DDCCON
EX_DAT SWENB DDC_AX DDCINT DDC1EN SWHINT
M0
00
DDC Control
Register
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