參數(shù)資料
型號(hào)： M68HC16Y1CFC
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, MICROCONTROLLER, PQFP16
封裝： QFP-160
文件頁數(shù)： 4/138頁
文件大小： 784K
代理商： M68HC16Y1CFC
MC68HC16Y1
MOTOROLA
MC68HC16Y1TS/D
101
Y = M111, where M is the state of the modmap bit in the SCIMCR. In the MC68HC16Y1, Y must equal $F — if
M is cleared, IMB modules will be inaccessible until a reset occurs. M can be written only once after reset.
7.1 MCCI Registers
MCCI registers are divided into four categories: MCCI global registers, MCCI pin control registers, SCI
registers, and SPI registers. SPI and SCI registers are defined in separate sections below. Writes to
unimplemented register bits have no meaning or effect, and reads from unimplemented bits always re-
turn a logic zero value.
The modmap bit of the single-chip integration module configuration register (SCIMCR) defines the most
significant bit (ADDR23) of the address, shown in each register diagram as “Y”. This bit, concatenated
with the rest of the address given, forms the absolute address of each register. Because the CPU16 in
the MC68HC16Y1 drives only ADDR[19:0], ADDR[23:20] follow the logic state of ADDR19, and “Y”
must equal $F — see the SCIM section of this summary for more information on how the state of MM
affects the system.
Table 29 MCCI Address Map
Address
15
8
7
0
$YFFC00
MCCI MODULE CONFIGURATION REGISTER (MMCR)
$YFFC02
MCCI TEST REGISTER (MTEST)
$YFFC04
SCI INTERRUPT REGISTER (ILSCI)
SCI INTERRUPT VECTOR (MIVR)
$YFFC06
SPI INTERRUPT REGISTER (ILSPI)
RESERVED
$YFFC08
RESERVED
MCCI PIN ASSIGNMENT (PMCPAR)
$YFFC0A
RESERVED
MCCI DATA DIRECTION (DDRMC)
$YFFC0C
RESERVED
MCCI PORT DATA REGISTER (PORTMC)
$YFFC0E
RESERVED
MCCI PORT PIN STATE (PORTMCP)
$YFFC10
RESERVED
$YFFC12
RESERVED
$YFFC14
RESERVED
$YFFC16
RESERVED
$YFFC18
SCIA CONTROL REGISTER 0 (SCCR0A)
$YFFC1A
SCIA CONTROL REGISTER 1 (SCCR1A)
$YFFC1C
SCIA STATUS REGISTER (SCSRA)
$YFFC1E
SCIA DATA REGISTER (SCDRA)
$YFFC20
RESERVED
$YFFC22
RESERVED
$YFFC24
RESERVED
$YFFC26
RESERVED
$YFFC28
SCIB CONTROL REGISTER 0 (SCCR0B)
$YFFC2A
SCIB CONTROL REGISTER 1 (SCCR1B)
$YFFC2C
SCIB STATUS REGISTER (SCSRB)
$YFFC2E
SCIB DATA REGISTER (SCDRB)
$YFFC30
RESERVED
$YFFC32
RESERVED
$YFFC34
RESERVED
$YFFC36
RESERVED
$YFFC38
SPI CONTROL REGISTER (SPCR)
$YFFC3A
RESERVED
$YFFC3C
SPI STATUS REGISTER (SPSR)
$YFFC3E
SPI DATA REGISTER (SPDR)
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